*Owain "Fawr" ap Gruffydd Prince of Gwynedd
born about 1087 Caernarvonshire, Wales
died December 1169 Caernarvonshire, Wales
buried Bangor Cathedral, Is Gwyrfai, Caernarvonshire, Wales

father:
*Gruffydd ap Cynan Prince of Gwynedd
born 1055 Dublin, Ireland
died 1137 Caernarvonshire, Wales
buried Bangor Cathedral, Is Gwyrfai, Caernarvonshire, Wales

mother:
*Angharad verch Owain of Tegaingl
born about 1065 Tegaingl, Flintshire, Wales
died 1162
married about 1082

siblings:
*Rhanullt verch Gruffydd born about 1083 Caernarvonshire, Wales
*Susanna verch Gruffydd born about 1095 Caernarvonshire, Wales
*Gwenllian verch Gruffydd born about 1085 Aberffraw Castle, Caernarvonshire, Wales
died 1136 Battle of Maes
*Yslani verch Gruffudd born about 1104 Caernarvonshire, Wales
Membyr "Ddu" ap Gruffydd born about 1114 Caernarvonshire, Wales
Rhael verch Gruffydd born about 1116 Caernarvonshire, Wales
Annes verch Gruffydd born about 1118 Caernarvonshire, Wales
*Margred verch Gruffydd born about 1120 Caernarvonshire, Wales
Tudwal ap Gruffydd born about 1122 Caernarvonshire, Wales
Elen verch Gruffydd born about 1089 Aberffraw Castle, Anglesey, Wales
Merinedd verch Gruffydd born about 1091 Aberffraw Castle, Anglesey, Wales
*Cadwaladr ap Gruffydd born about 1096 Caernarvonshire, Wales
died March 1172 buried Bangor, Caernarvonshire, Wales
Cadwallon ap Gruffydd born about 1097 Caernarvonshire, Walesey, Wales died 1132

spouse (1st):
*Gwladus verch Llywarch
born about 1098 Arwystli, Montgomeryshire, Wales
married about 1126

children (from 1st marriage):
*Iorwerth "Drwyndwn" ap Owain born 1145? Aberffraw Castle, Aberffraw, Anglsy, Wales
died about 1184
*Gwenllian I verch Owain born about 1124 Caernarvonshire, Wales
*Cynan ap Owain born about 1140? Caernarvonshire, Wales died 1173
Rhirid ap Owain born about 1132 Caernarvonshire, Wales
Einion ap Owain born about 1144 Caernarvonshire, Wales
Madog ap Owain born about 1142 Caernarvonshire, Wales
Cynwrig I ap Owain born about 1145 Caernarvonshire, Wales died after 1165
Cadell ap Owain born about 1143 Caernarvonshire, Wales
Maelgwn ap Owain born about 1126 Caernarvonshire, Wales died afert 1174

spouse (2nd):
*Cristin verch Gronwy
born about 1105 Tegaingl, Flintshire, Wales

children (from 2nd marriage):
*Angharad verch Owain of Gwynedd
Marared verch Owain of Gwynedd
Ievan ap Owain of Gwynedd
Gwenllian II verch Owain born about 1130 Caernarvonshire, Wales
*Rhodri ap Owain born about 1136 Caernarvonshire, Wales
died 1195 buried Holyhead, Talybolion, Anglesey, Wales
Dafydd ap Owain Prince of Gwynedd
Cynwrig II ap Owain born about 1147 Caernarvonshire, Wales

biographical and/or anecdotal:

notes or source:
LDS