Descendancy for Floris III, Count of Holland: Genealogy of the Bryan and Martin Families

Genealogy of the Bryan and Martin Families

- 1190

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1 Floris III, Count of Holland ^[1] d. 1190
- Ada, of Scotland b. cir 1140
  - 2 William I, Count of Holland ^[1.1] b. 1165 d. 1222
    - Adelaide, of Guelders b. cir 1165
      - 3 Floris IV, Count of Holland ^[1.1.1] b. 1210 d. 1234
        
        Mechthilde, of Brabant b. cir 1170
        
        4 Alice, of Holland ^[1.1.1.1] d. cir 1270
        
        John I, Avesnes, Count of Hainault d. cir 1270
        
        5 John II, Avesnes of Holland & Hainault ^[1.1.1.1.1] d. 1304 [ =>]