Marie de Brienne, Dame of Margon, was born circa 1265 to Louis de Brienne (c1235-1263) and Agnès de Beaumont-au-Maine (c1225-1301) and died 1328 of unspecified causes. She married Henri III d'Avaugour (1247-1301) 1270 JL . William I of England (1027-1087), Henry II of England (1133-1189), Charlemagne (747-814), Hugh Capet (c940-996), Rollo of Normandy (860-932), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, Rollo of Normandy (860-932)/s.


Offspring of Henri III d'Avaugour (1247-1301) and Marie de Brienne
Name Birth Death Joined with
Henri IV d'Avaugour (1280-1334)
Marguerite d'Avaugour (1285-c1332) 1285 1332 Guillaume V Paynel (1275-c1327)
Guillaume d'Avaugour (-1341)
Agnès d'Avaugour
Blanche Clémence d'Avaugour (c1290-1345)
Jean d'Avaugour (1291-1340)
Jeanne d'Avaugour
Marie d'Avaugour

Footnotes (including sources)

‡ General