Sir. John (The Marshal) Fitz Gilbert
John, known as The Marshal, was born in 1126 in Pembroke Wales.  He died at the age of 38 in 1164.

 Sibilla deSalisbury
Sibilla was born in 1127.

 Earl William Marshall
William was born in 1144 in Pembroke Wales.  He died at the age of 75 on May 14th, 1219 in Temple London; Caversham, london.