Jean Brienne de Beaumont, Viscount of Beaumont, Lord of Sainte-Suzanne, Lord of Lude, Lord of Château-Gontier, was born circa 1255 to Louis de Brienne (c1235-1263) and Agnès de Beaumont-au-Maine (c1225-1301) and died circa 1305 of unspecified causes. He married Jeanne de La Guerche (1250-1290) 1265 JL . He married Marie de Mechelen (1265-1306) 1305 JL . Notable ancestors include Charlemagne (747-814), Henry II of England (1133-1189), William I of England (1027-1087), Hugh Capet (c940-996), Alfred the Great (849-899). Ancestors are from Spain, Portugal, France, the United Kingdom, Germany, Belgium, the Netherlands, Italy, Russia, Ukraine, Canaan.
|Offspring of Jean de Beaumont and Jeanne de La Guerche (1250-1290)|
|Isabelle de Brienne (1275-)|| |
|Robert de Brienne (1275-1327)||1275||28 September 1327|| Marie de Craon (1290-1322)|
Marie d'Astort (1300-)
|Anne de Brienne (1280-)|
Common ancestors of Jean de Beaumont (c1255-c1305) and Jeanne de La Guerche (1250-1290)
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