Tiethvach ap Owain [Parents] was born about 860 in Cardiganshire, Wales. He was married about 880 in Cardiganshire, Wales.
[Notes]
He had the following children:
M i Edwynn ap Tiethvach
Owain was born about 835 in Cardiganshire, Wales. He was married about 855 in Cardiganshire, Wales.
[Notes]
He had the following children:
M i Tiethvach ap Owain
Einion was born about 835 in Wales. He was married about 855 in Wales.
[Notes]
He had the following children:
M i Peredur Peiswyrd ap Einion
Herbert fitzHerbert de Cornwall [Parents] was born about 1130 in Blaen Llyfni, Brecknock, Wales. He married Sybil Adela Lucy Corbet {concubine} about 1160.
[Notes]
Sybil Adela Lucy Corbet {concubine} [Parents] 1, 2 was born 3 in 1075 in Alcaster, Warwickshire, England. She died 4 in 1157. She married Herbert fitzHerbert de Cornwall about 1160. Sybil was born 5 in Alcaster, Warwickshire, England.
Other marriages:de Normandy, Henry I King of England
[Notes]
They had the following children:
M i Herbert FitzHerbert de Cornwall
Rhys Marchien Dyffrynclwyd ap Marchweithin [Parents] was born about 990 in Wales. He was married about 1009 in Wales.
[Notes]
He had the following children:
F i Gwenlian verch Rhys
Marchweithin of Llewenny ap Cyndrick [Parents] was born about 965 in Wales. He was married about 989 in Wales.
[Notes]
He had the following children:
M i Rhys Marchien Dyffrynclwyd ap Marchweithin
Cyndrick ap Cynddelw [Parents] was born about 935 in Wales. He was married about 960 in Wales.
[Notes]
He had the following children:
M i Marchweithin of Llewenny ap Cyndrick
Cynddelw Gam Lord of Yale was born about 905 in Wales. He was married about 930 in Wales.
[Notes]
He had the following children:
M i Cyndrick ap Cynddelw
Llywarch Ap Bran was born about 1107 in Menai, Anglesey, Wales. He married Rhael verch Gronwy about 1140 in Menai, Anglesey, Wales.
[Notes]
Rhael verch Gronwy [Parents] was born about 1111 in Tegeingl, Flintshire, Wales. She married Llywarch Ap Bran about 1140 in Menai, Anglesey, Wales.
[Notes]
Gronwy Ap Owain [Parents] was born about 1084 in Tegaingl, Flintshire, Wales. He died in 1124. He married Genilles verch Hoedlyw about 1110 in Wales.
[Notes]
Genilles verch Hoedlyw was born about 1077 in Uwch Dulas, Denbighshire, Wales. She married Gronwy Ap Owain about 1110 in Wales.
[Notes]
They had the following children:
F i Rhael verch Gronwy