House of Hainaut
Cadet branch of the House of Flanders
- Coat of Arms
-
House of Hainaut
Counts of Hainaut -
House of Hainaut
Counts of Flanders
Assumed arms from House of Alsace as successors in Flanders -
House of Hainaut
Latin Emperors in
Constantinople
- Cadet Branches
-
House of Roeulx
Lords of Roeulx, Morlanwelz
and Écaussinnes
Issued from Arnould, younger son of Baudouin II, Count of Hainaut -
House of Werchin
Lords of Werchin, La Longueville, Thy-Le-Château and Walincourt
Barons of Cysoing
Seneschals of Hainaut
Issued from Guillaume, illegitimate son of Baudouin IV, Count of Hainaut
- Personal Arms
-
Philippe I de Namur
Count and Marquis of Namur
2nd son of Baudouin V, Count of de Hainaut -
Henry of Flanders
Emperor of Constantinople
3rd son of Baudouin V, Count of de Hainaut
Later arms variant