Rhael ferch Gronwy

See Peter Bartrum, https://cadair.aber.ac.uk/dspace/bitstream/handle/2160/4701/Edwin%2... (November 5, 2018; Anne Brannen, curator)

Please see Darrell Wolcott: Llowarch ap Bran - Lord of Menai; http://www.ancientwalesstudies.org/id32.html . (Steven Ferry, November 5, 2020.)
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Rhael verch Gronwy; born about 1111 Tegeingl, Flintshire, Wales
Father: Gronwy ap Owain; born about 1073 Tegaingl, Flintshire, Wales; died 1124
Mother: Genilles verch Hoedlyw; born about 1077 Uwch Dulas, Denbighshire, Wales
Married about 1104
Siblings:

Cadwgon ap Gronwy born about 1113 Tegeingl, Flintshire, Wales died after 1132
Cristin verch Gronwy born about 1105 Tegaingl, Flintshire, Wales

Spouse: Llywarch ap Bran; born about 1107 Menai, Anglesey, Wales
Children:

Tangwystl verch Llywarch born about 1141 Menai, Anglesey, Wales
Einudd ap Llywarch born about 1145 Menai, Anglesey, Wales
Iorwerth ap Llywarch born about 1147 Menai, Anglesey, Wales
Cadwgon ap Llywarch born about 1151 Plas-coch, Llanddaniel-fab, Anglesey, Wales
Einion ap Llywarch born about 1153 Menai, Anglesey, Wales
Madog ap Llywarch born about 1149 Menai, Anglesey, Wales

Notes or source: LDS