*Yslani verch Gruffudd
born about 1104 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
*Owain "Fawr" ap Gruffydd Prince of Gwynedd born about 1087 Caernarvonshire, Wales
died December 1169 Caernarvonshire, Wales
buried Bangor Cathedral, Is Gwyrfai, 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?
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:
*Hwfa ap Ithel
born Denbighshire, Wales

children:
*Gwion ap Hwfa born about 1110 Denbighshire, Wales
*Caswallon ap Hwfa born Llys-y-cil, Llanferres, Denbighshire, Wales

biographical and/or anecdotal:

notes or source:
LDS
research of S. E. Oman Salt Lake City