Descendancy for Baldwin I, Emperor of Constantinople: Genealogy of the Bryan and Martin Families

Genealogy of the Bryan and Martin Families

1172 - 1205 (33 years)

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1 Baldwin I, Emperor of Constantinople ^[1] b. 1172 d. 1205
- Marie, of Champagne b. cir 1175
  - 2 Margaret, of Hainault ^[1.1] d. 1280
    - Burchard d'Avesnes b. cir 1190
      - 3 John I, Avesnes, Count of Hainault ^[1.1.1] d. cir 1270
        
        Alice, of Holland d. cir 1270
        
        4 John II, Avesnes of Holland & Hainault ^[1.1.1.1] d. 1304
        
        Philippina, of Luxemburg b. cir 1175
        
        5 William I, Count of Hainault ^[1.1.1.1.1] b. 1280 d. 1337 [ =>]