John Fitzgilbert
John was born in 1105 in Pembroke, , Pembrokeshire, Wales.  He died at the age of 60 in 1165 in Pembroke, , Pembrokeshire, Wales.

 Sibyl De Salisbury
Sibyl was born in 1139 in Pembroke, , Pembrokeshire, Wales.  She died at the age of 16 in 1155 in Pembroke, Wales Pembroke, Pembrokeshire, Wales.

 William Marshall
William was born in 1146 in Pembroke, , Pembrokeshire, Wales.¹   He died at the age of 73 on May 14th, 1219 in Caversham Manor, , , England.¹