They had the following children:
M i Hugh I De Ponthieu Seigneur De Abbeville F iii Godchilde De Ponthieu
John De Cogan [Parents] was born in 1190 in Cogan, Glamorganshire, Wales. He died in 1278. He married Mary De Prendergast.
Mary De Prendergast was born in 1194. She married John De Cogan.
They had the following children:
M i John De Cogan F ii Juliane De Cogan
Maurice Fitz Gerald De Windsor Lord of Lanstephen, Wales [Parents] was born in 1100 in Windsor, England. He died in 1176 in Wexford, Ireland. He married Alice De Montgomerie.
[Notes]
Alice De Montgomerie [Parents] was born in 1115 in Pembroke, Wales. She married Maurice Fitz Gerald De Windsor Lord of Lanstephen, Wales. Alice was born in 1115.
They had the following children:
M i Gerald Fitz Maurice De Windsor 1st Baron of Offaly M ii Thomas De Windsor was born in 1148. M iii William De Windsor was born in 1146.
Robert De Bermingham [Parents] was born in 1124. He married Katherine De Valoines.
Katherine De Valoines [Parents] was born in 1130. She married Robert De Bermingham.
They had the following children:
F i Eve De Bermingham
Piers De Bermingham was born in 1095.
He had the following children:
M i Robert De Bermingham
Gerald Fitz walter De Windsor [Parents] was born in 1069 in Windsor, Berkshire, England. He died in 1136. He married Nesta Verch Rhys.
[Notes]
Nesta Verch Rhys [Parents] was born in 1073 in Wales. She died in 1136. She married Gerald Fitz walter De Windsor.
[Notes]
They had the following children:
M i Maurice Fitz Gerald De Windsor Lord of Lanstephen, Wales F ii Hadewise De Windsor M iii William Fitz gerald De Windsor F iv De Windsor M v David De Windsor was born in 1107.
Rhys Ap Tudor Mawr [Parents] was born in 1037 in Wales. He died in 1092 in Brecknock, Wales. He married Gwladys Verch Rhiwallon.
[Notes]
Gwladys Verch Rhiwallon [Parents] was born in 1041 in Powys, Wales. She married Rhys Ap Tudor Mawr.
They had the following children:
F i Nesta Verch Rhys M ii Gruffydd Ap Rhys Prince of Deheubarth F iii Magred Verch Rhys was born in 1077.
Tudor Mawr was born in 990 in Dynevor, Wales.
He had the following children:
M i Rhys Ap Tudor Mawr
Rhiwallon Ap Cynfyn [Parents] was born in 1026 in Powys, Wales. He died in 1070 in Mechain, Montgomeryshire, Wales.
He had the following children:
F i Gwladys Verch Rhiwallon
Other Fitz Othor was born in 1020.
He had the following children:
M i Walter Fitz Otho De Windsor Lord of Eaton