Order of succession

An order of succession is a formula or algorithm that determines who inherits an office upon the death, resignation, or removal of its current occupant.

Monarchies and nobility

In hereditary monarchies the order of succession determines who becomes the new monarch when the incumbent sovereign dies or vacates the throne. Such orders of succession generally specify a selection process, by law or tradition, which is applied to indicate which relative of the previous monarch, or other person, has the strongest claime to succeed and will thereforew assume the throne when the vacancy occurs.

Often, the line of succession is restricted to persons of the blood royal (but see morganatic marriage), that is, to those legallly recognized as born into or descended from the reigning dynasty or a previous sovereign. The persons in line to succeed to the throne are called "dynasts". Constitutions, statutes, house laws, and norms may regulate the sequence and eligibility of potential successors to the throne.

In the past, the order of succession was sometimes superseded or reinforced by the coronation of a selected heir as co-monarch during the life of the reigning monarch. Examples include Henry the Young King and the heirs of elective monarchies, such as the use of the title King of the Romans for the Habsburg emperors. In the partially elective system of tanistry, the heir or tanist was elected from the qualified males of the royal family. Different monarchies use different algorithms or formulas to determine the line of succession. Chief among the lineal mechanisms are:

Hereditary monarchies have used a variety of methods and algorithms to calculate the order of succession among possible candidates related by blood or marriage. An advantage of employing such formulae is that dynasts may, from early youth, receive grooming, education, protection, resources and retainers suitable for the future dignity and responsibilities associated with the crown of a particular nation or people. Such systems may also enhance political stability by establishing clear, public expectations about the sequence of rulers, potentially reducing competition and channeling cadets into other roles or endeavors.

Some hereditary monarchies have had unique selection processes, particularly upon the accession of a new dynasty. Imperial France established male primogeniture within the descent of Napoleon I, but failing male issue the constitution allowed the emperors to choose who among their brothers or nephews would follow them upon the throne. The Kingdom of Italy was designated a secundogeniture for the second surviving son of Napoleon I Bonaparte but, failing such, provided for the emperor's step-son, Eugène de Beauharnais to succeed, even though the latter had no blood relationship to the House of Bonaparte. Serbia's monarchy was hereditary by primogeniture for male descendants in the male line of Prince Alexander I, but upon extinction of that line, the reigning king could choose any among his male relatives of the House of Karađorđević. In Romania, on the other hand, upon extinction of the male line descended from Carol I of Romania, the constitution stipulated that the male-line of his brother, Leopold, Prince of Hohenzollern, would inherit the throne and, failing other male line issue of that family, a prince of a "Western European" dynasty was to be chosen by the Romanian king and parliament. By contrast, older European monarchies tended to rely upon succession criteria that only called to the throne descendants of past monarchs according to fixed rules rooted in one or another pattern of laws or traditions..

Agnatic succession

Agnatic (or semi-Salic) succession, prevalent in much of Europe since ancient times, is the restriction of succession to those descended from or related to a past or current monarch exclusively through the male line of descent: descendants through females were ineligible to inherit unless no males of the patrilineage remained alive.

In this form of succession, the succession is reserved firstly to all the male dynastic descendants of all the eligible branches by order of primogeniture, then upon total extinction of these male descendants to a female member of the dynasty.^[1] Current monarchies that operate under Semi-Salic law include Luxembourg, former monarchies that operated under Semi-Salic law included Austria (later Austria-Hungary), Bavaria, Hanover, Württemberg, Russia, Saxony, Tuscany, and the Kingdom of the Two Sicilies.

If a female descendant should take the throne, she will not necessarily be the senior heiress by primogeniture, but usually the nearest relative to the last male monarch of the dynasty by proximity of blood. Examples include Christian I of Denmark's succession to Schleswig-Holstein, Maria Theresa of Austria (although her right ultimately was confirmed in consequence of her victory in the War of the Austrian Succession launched over her accession), Mary Adelaide and Charlotte of Luxembourg and Nassau, Anne of Brittany and Grand Duchess Maria of Russia, as well as Christian IX of Denmark's succession using the right of his wife, Louise of Hesse.

Salic law

The Salic law, a form of agnatic succession, restricted the pool of potential heirs to males of the patrlineage, altogether excluding females of the dynasty and their descendants from the succession. The Salic law applied to the former royal or imperial houses of Albania, France, Italy, Korea, Romania, Yugoslavia, and Prussia/German Empire. It currently applies to the houses of Liechtenstein, Japan and Jordan.

In 1830 in Spain the question whether or not the Salic law applied - and therefore, should Ferdinand VII be followed by his daughter Isabel or by his brother Carlos - led to a series of civil wars and the formation of a pretender rival dynasty which exists up to the present.

Generally, hereditary monarchies that operate under the Salic law also use primogeniture among male descendants in the male line to determine the rightful successor, although in earlier history agnatic seniority was more usual than primogeniture. Fiefs and titles granted "in tail male" or to "heirs male" follow this primogenitural form of succession. (Those granted to "heirs male of the body" are limited to the male-line descendants of the grantee; those to "heirs male general" may be inherited, after the extinction of the grantee's male-line descendants, by the male-line descendants of his father, paternal grandfather, etc.)

Rota System

The Rota System, from the Old Church Slavic word for "ladder" or "staircase", was a system of collateral succession practiced (though imperfectly) in Kievan Rus' and later Appanage and early Muscovite Russia.

In this system the throne passed not linearly from father to son, but laterally from brother to brother (usually to the fourth brother) and then to the eldest son of the eldest brother who had held the throne. The system was begun by Yaroslav the Wise, who assigned each of his sons a principality based on seniority. When the Grand Prince died, the next most senior prince moved to Kiev and all others moved to the principality next up the ladder.^[2]

Appointment, election, tanistry and rotation

Order of succession can be arranged by appointment: either the incumbent monarch or some electoral body appoints an heir or a list of heirs, already before vacancy occurs. A monarchy may be generally elective, although in a way that the next holder will be elected only after it becomes vacant.

In history, quite often, but not always, appointments and elections favored, or were limited to, members of a certain dynasty or extended family. There may have been genealogical rules to determine who all are entitled to succeed, and who will be favored. This has led sometimes to an order of succession that balances branches of a dynasty by rotation.

It currently applies to the Holy See, Malaysia, Cambodia, Kuwait, the UAE, Andorra, Swaziland, and Samoa.

Seniority

In seniority successions, a monarch's or fiefholder's next sibling, actually it means almost always brother, succeeds; not his children. And, if the royal house is more extensive, (male) cousins and so forth succeed, in order of seniority, which may depend upon actual age or upon the seniority between their fathers.

Partible inheritance

In some societies, a monarchy or a fief was inherited in a way that all entitled heirs had a right to a share of it.

Primogeniture

Primogeniture (or more properly Male Primogeniture) is a mechanism whereby male descendants of the sovereign take precedence over female descendants, with children representing their deceased ancestors, and where the senior line of descent always takes precedence over the junior line, in each gender. Elder sons take precedence over younger sons, but younger sons take precedence over older daughters. The right of succession belongs to the eldest son of the reigning sovereign (see heir apparent), and then to the eldest son of the eldest son. This is the system in the Commonwealth Realms, Spain, and Monaco.

Fiefs or titles granted "in tail general" or to "heirs general" follow this system for sons, but daughters are considered equal co-heirs, at least in modern British practice. This can result in the condition known as abeyance. In the medieval period, actual practice varied with local custom. While women could inherit manors, power was usually exercised by their husbands (jure uxoris) or their sons (jure matris).

Equal (or absolute) primogeniture

Fully equal primogeniture (or Absolute Primogeniture) is a law in which the eldest child of the sovereign succeeds to the throne, regardless of gender, and where females (and their descendants) enjoy the same right of succession as males. This is currently the system in Sweden (since 1980), the Netherlands (since 1983), Norway (since 1990), Belgium (since 1991) and Denmark (from 2009)^[3]. The Succession to the Crown Bill of 2004 proposed changing the line of succession to the British throne to absolute primogeniture.

Proximity of blood

Proximity of blood is a system wherein the person closest in degree of kinship to the sovereign succeeds, preferring males over females and elder over younger siblings. This is sometimes used as a gloss for "pragmatic" successions in Europe; it had somewhat more standing during the Middle Ages everywhere in Europe. In Outremer it was often used to choose regents, and it figured in some of the succession disputes over the Kingdom of Jerusalem. It was also recognized in that kingdom for the succession of fiefs, under special circumstances: if a fief was lost to the Saracens and subsequently re-conquered, it was to be assigned to the heir in proximity of blood of the last fief-holder.

Ultimogeniture

Ultimogeniture is an order of succession where the subject is succeeded by the youngest son (or youngest child). This serves the circumstances where the youngest is "keeping the hearth", taking care of the parents and continuing at home, whereas elder children have had time to succeed "out in the world" and provide for themselves.

Lateral succession

Lateral or fraternal system of succession mandates principles of seniority among members of a dynasty or dynastic clan, with a purpose of election a best qualified candidate for the leadership. The leaders are elected as being the most mature elders of the clan, already in possession of military power and competence. Fraternal succession is preferred to ensure that mature leaders are in charge, removing a need for regents. The lateral system of succession may or may not exclude male descendants in the female line from succession. In practice, when no male heir is mature enough, a female heir is usually determined "pragmatically", by proximity to the last monarch, like Boariks of the Caucasian Huns or Tamiris of Massagetes. The lateral monarch is generally elected after the leadership throne becomes vacant. In the early years of the Mongol empire, the death of the ruling monarchs, Genghis Khan and Ögedei Khan, immediately stopped the Mongol western campaigns because of the upcoming elections. See also the Agnatic seniority.

Succession crises

When a monarch dies without a clear successor, a succession crisis often results. For example, when King Charles IV of France died, the Hundred Years War erupted between Charles' cousin, Philip VI of France, and Charles' nephew, Edward III of England, to determine who would succeed Charles as the King of France.

Government

In politics, a desire to ensure a continuity of operations at all times has resulted in most offices having some formalized order of succession. In republics with fixed-term elections, the national president is sometimes succeeded following death or resignation by the vice president, in turn followed by various office holders of the parliament or congress, and/or members of the cabinet. For example, if both the President of the United States and Vice President of the United States are unable to serve, the Speaker of the United States House of Representatives takes over as President. Next in line is the President pro tempore of the United States Senate, who is followed by the Secretary of State, and other cabinet officials. In many republics, however, a new election takes place some period after the demise of the incumbent president.

References

^ SOU 1977:5 Kvinnlig tronföljd.
^ Nancy Shields Kollmann, “Collateral Succession in Kievan Rus’.” Harvard Ukrainian Studies 14 (1990): 377-87; Janet Martin, Medieval Russia 980-1584 (Cambridge: Cambridge University Press, 1995), 27-29.
^ http://www.spiegel.de/panorama/leute/0,1518,629069,00.html (in German)

[1] SOU 1977:5 Kvinnlig tronföljd.

[2] Nancy Shields Kollmann, “Collateral Succession in Kievan Rus’.” Harvard Ukrainian Studies 14 (1990): 377-87; Janet Martin, Medieval Russia 980-1584 (Cambridge: Cambridge University Press, 1995), 27-29.

[3] ttp://www.spiegel.de/panorama/leute/0,1518,629069,00.html (in German)

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v t e Orders of succession
Monarchies	Bahrain Belgium Bhutan Brunei Denmark Eswatini Japan Jordan Lesotho Liechtenstein Luxembourg Malaysia Monaco Morocco Netherlands Norway Oman Saudi Arabia Spain Sweden Thailand Tonga United Kingdom and other Commonwealth realms
Republics	Argentina Brazil Colombia Dominican Republic Pakistan Philippines Sri Lanka United States Uruguay