Simon IV de Montfort, Lord of Montfort-l'Amaury, Lord of Rochefort-en-Yvelines, was born circa 1156 to Simon III de Montfort (1118-1181) and Mahaut and died 13 March 1187 of unspecified causes. He married Amicia Beaumont (c1155-1215) . Charlemagne (747-814)/s.


Offspring of Simon IV de Montfort and Amicia Beaumont (c1155-1215)
Name Birth Death Joined with
Simon V de Montford (c1170-1218) 1170 25 June 1218 Alix de Montmorency (1173-1226)
Guy I de Montford (c1175-1229) 1175 31 January 1229 Helvise d'Ibelin (c1182-1216) Helvise d'Ibelin (c1182-1216) Briande Adhémar de Monteil (1201-)
Petronille de Montford

Footnotes (including sources)

‡ General
Ω Birth
  • year of birth from sister and son
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