| Richard (Bouchard) d' Avesnes (~1182 - 1244) |
Florence (Floris) IV of Holland Count of Holland (1210 - 1234) |
| Margaret de Flandres Comtesse de Flandres (1202 - 1279) |
Mechteld of Brabant Princess of Brabant (~1200 - 1267) |
| John (Jean) I d' Avesnes Count of Holland | Adelaide de Holland Countess of Holland |
| b. Apr 1218, Houffalize, Luxembourg, Belgium/Luxembourg d. 24 Dec 1257, Valenciennes, Nord, France bur. occ. cen. im. . ud. |
b. abt 1226, Hertogenbo, Noord Brabant, Netherlands d. 1284, Valenciennes, Nord, France bur. occ. cen. im. . ud. |
| John II (Jean) de Hainault D' Avesnes, Count of Hainault of Holland |