John I of Brienne, Count of Eu
Appearance
John I of Brienne (died 12 June 1294) was the son of Alphonso of Brienne and Marie de Lusigan.[1] His mother was the heiress of Eu, Seine-Maritime, and he succeeded his father as Count of Eu in 1270.
He married Beatrice, the daughter of Guy III, Count of Saint-Pol.[1] They had:
- John II of Brienne, Count of Eu[2]
- Isabelle (d. 1302/07), married John II of Dampierre, Viscount of Troyes (d. c.1307)
- Jeanne (d. aft. 12 March 1325), married first Raymond VI, Viscount of Turenne (d. 1304), married second before 4 August 1314 Renauld, Lord of Picquigny, vidame of Amiens (d. 1315)
- Marguerite (d. 1310), married Guy, Viscount of Thouars (d. 1308)
- Mahaut (d. aft. 1328), married Alfonso de la Cerda[2]
John died at Clermont-en-Beauvaisis in 1294.
References
- ^ a b Pollock 2015, p. 184.
- ^ a b Perry 2018, p. xxiii.
Sources
- Perry, Guy (2018). The Briennes: The Rise and Fall of a Champenois Dynasty in the Age of the Crusades, c. 950-1356. Cambridge University Press.
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(help) - Pollock, M.A. (2015). Scotland, England and France after the Loss of Normandy. The Boydell Press.
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