Nielsen Hayden genealogy
Aleid van Boulaere
Generation: 1
Generation: 3
Generation: 4
1. Aleid van Boulaere (daughter of Nikolaus van Boulaere and Ada de Roeulx). Notes:
Heiress of Boulaere.
Aleid married Gilles II de Trazegnies in 1197. Gilles (son of Otton II de Trazegnies de Blicquy and Mathilde de Neyghem) died in 1204. [Group Sheet] [Family Chart]
Children:- Otton III de Trazegnies was born about 1198; died between 12 Aug 1241 and Apr 1242.
2. Nikolaus van Boulaere Nikolaus married Ada de Roeulx. [Group Sheet] [Family Chart]
3. Ada de Roeulx (daughter of Eustache de Hainault and Marie de Morlanwelz). Children:
Generation: 3
6. Eustache de Hainault (son of Arnould de Hainault and Beatrix van Ath); died in 1192 in Palestine. Eustache married Marie de Morlanwelz. Marie (daughter of Jean de Morlanwelz) died before 1174. [Group Sheet] [Family Chart]
7. Marie de Morlanwelz (daughter of Jean de Morlanwelz); died before 1174. Notes:
Heiress of Roeulx.
Children:
- Eustache le Valet died in Jul 1186.
- 3. Ada de Roeulx
Generation: 4
12. Arnould de Hainault (son of Baldwin II De Hainaut and Ida of Louvain). Arnould married Beatrix van Ath. [Group Sheet] [Family Chart]
13. Beatrix van Ath (daughter of Walter van Ath and Ade de Montdidier). Children:
- 6. Eustache de Hainault died in 1192 in Palestine.
14. Jean de Morlanwelz Notes:
Lord of Roeulx.
Children:
- 7. Marie de Morlanwelz died before 1174.