Jeanne de Hainaut was born circa 1199 in Valenciennes to Baldwin I of Constantinople (1172-1205) and Marie de Champagne (c1174-1204) and died 5 December 1244 Marquette of unspecified causes. She married Fernando de Portugal (1188-1233) 1 January 1212 JL . She married Thomas II de Piémont (1199-1259) 1 April 1237 JL . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.
|Offspring of Jeanne de Hainaut and Fernando de Portugal (1188-1233)|
|Marie de Hainaut (1231-1236)|