Decimus Junius Silanus (consul)

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Decimus Junius M. f. D. n. Silanus (fl. 70 BC-62 BC) was a consul of the Roman Republic. He may have been the son of Marcus Junius Silanus, consul in 109 BC. He was the stepfather of Marcus Junius Brutus the Elder, having married Brutus' mother, Servilia.

Political career[edit]

He was aedile in 70 BC, but he lost the election to be a consul of 63. He was successful the following year, and so in consequence of his being consul designatus was first asked for his opinion by Cicero in the debate in the senate on the punishment of the Catilinarian conspirators. At first he spoke in favor of "the supreme penalty" for the conspirators, but when Julius Caesar suggested life imprisonment, Silanus insisted that that was what he had really meant. As such, it was left to Cato the Younger to force through the decision to actually execute them.

He was consul in 62 with Lucius Licinius Murena. They proposed the lex Junia Licinia, which enacted that a rogatio, a discussionary meeting, must be promulgated three nundinae, or market-intervals, before the people voted on it. It also confirmed the lex Caecilia Didia.[1]

See also[edit]


  1. ^ Cicero, The correspondence of M. Tullius Cicero, Note V p. 429. See also rogatio.


  • Appian, Bellum Civilum, ii.5.
  • Cicero, de Officiis, ii.16; ad Atticum, i.1, ii.9, iv.16, xii.21.7; in Catilinam, iv.4; pro Sestio, 64; in Vatinum, 14; Philippics, v.3.
  • Cicero, The correspondence of M. Tullius Cicero, Volume 1, Edition 2 1885 (Google Books)
  • Pliny the Elder, Naturalis Historia, ii.35.
  • Plutarch, Cicero, 20, 21; Cato Minor, 22.
  • Sallust, Bellum Catilinae, 50.
  • Suetonius, Caesar, 14.

Family tree[edit]

  • (1)=1st spouse
  • (2)=2nd spouse
  • x=assassin of Caesar

Salonia (2)
Cato the Elder
Licinia (1)
Marcus Porcius Cato Salonianus
Marcus Porcius Cato Licinianus
Marcus Livius Drusus
Marcus Porcius Cato (2)
Livia Drusa
Quintus Servilius Caepio the Younger (1)
Marcus Livius Drusus
Atilia (1)
Cato the Younger
Marcus Livius Drusus Claudianus, adopted son
Marcus Junius Brutus the Elder (1)
Servilia Caepionis
Decimus Junius Silanus (2)
Servilia the Younger
Quintus Servilius Caepio
Porcia Catonis
Marcus Junius Brutus x
Junia Prima
Junia Tertia
Gaius Cassius Longinus x
Marcus Porcius Cato (II)
Junia Secunda
Marcus Aemilius Lepidus (triumvir)
Descendant of Pompey and Lucius Cornelius Sulla
Lepidus the Younger
Manius Aemilius Lepidus
Aemilia Lepida II

 This article incorporates text from a publication now in the public domainSmith, William, ed. (1870). "article name needed". Dictionary of Greek and Roman Biography and Mythology. 

Political offices
Preceded by
Gaius Antonius Hybrida and Marcus Tullius Cicero
Consul of the Roman Republic
with Lucius Licinius Murena
62 BC
Succeeded by
Marcus Valerius Messalla Niger and Marcus Pupius Piso Frugi Calpurnianus