John Fitzgilbert Marshall
John Fitzgilbert was born in 1105 in Pembroke, Wales.  He died about 1165.

 Sybil de Salisbury
Sybil was born in 1120 in Pembroke, Wales.

 William Marshall Earl
William was born in 1146 in Normandy, France.  He died at the age of 73 on May 14th, 1219 in Caversham, England.

 Margaret Fitzgilbert Marshall
Margaret Fitzgilbert was born in 1150 in Wiltshire, England.  She died at the age of 92 in 1242.