Nielsen Hayden genealogy
Gruffydd ap Llywelyn, King of Wales
- 1064(
= Descendancy chart to this point, 
= Expand, 
= Collapse)
- 1 Gruffydd ap Llywelyn, King of Wales [1] d. 5 Aug 1064
- Ealdgyth of Mercia, Queen Consort of England d. Aft 1066
- 2 Nest ferch Gruffydd [1.1] b. Between 1055 and 1057
- Osbern fitz Richard d. Aft 1086
- 3 Nest ferch Osbern [1.1.1]
- Bernard de Neufmarché d. 1093
- 4 Sibyl de Neufmarché [1.1.1.1]
[ =>]
- 4 Sibyl de Neufmarché [1.1.1.1]
- 3 Hugh fitz Osbern [1.1.2] d. 1140
- Eustacia de Say
- 4 Hugh de Say [1.1.2.1] d. Bef 29 Sep 1190
[ =>]
- 4 Hugh de Say [1.1.2.1]
- 3 Nest ferch Osbern [1.1.1]
- 2 Nest ferch Gruffydd [1.1]