Nest ferch Rhys was born circa 1073 in Carmarthenshire, England (Dinefwr Castle) to Rhys ap Tewdwr (bef1065-1093) and Gwladys ferch Rhywallon and died after 1136 of unspecified causes. She married Gerald de Windsor (?-bef1136) 1095 JL .
Children
| Offspring of Henry I of England and unknown parent | |||
| Name | Birth | Death | Joined with |
| Robert, 1st Earl of Gloucester (1090-1147) | 1090 England, United Kingdom | 1147 Bristol, Gloucestershire, England, United Kingdom | Isabel de Douvres (c1090-) Isabel de Douvres (c1090-) Mabel of Gloucester (c1095-1156) |
| Maud FitzRoy (c1091-) | 1091 England | Conan III de Bretagne (1095-1148) | |
| Constance FitzRoy (c1092-) | 1110 | Roscelin de Beaumont-au-Maine (-1176) | |
| Mabel FitzRoy (c1093-) | 1093 | Guillaume Gouët (bef1080-) | |
| Alice FitzRoy (c1116-bef1141) | 1116 | 1141 | Mathieu I de Montmorency (1100-1160) |
| Gilbert FitzRoy (c1095-) | |||
| Emma FitzRoy (c1110-c1157) | 1110 | 1157 | Guy III de Laval (-c1140) |
| Offspring of Henry I of England and Nest ferch Rhys (c1073-aft1136) | |||
| Name | Birth | Death | Joined with |
| Henry FitzRoy (1103-1158) | |||
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Residences
Footnotes (including sources)
| ‡ General |
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