Gilbert (The Marshall) Fitz Robert
Gilbert (The Marshall) was born in 1075 in Somersetshire, Eng.  He died before 1130.

 Unknown de Venuz
Unknown was born in 1105 in Pembroke, Wales.  Unknown is no longer alive.

 John  (The Marshall) Fitz Gilbert
John  (The Marshall) was born in 1105 in Pembroke, Wales.  He died at the age of 60 in 1165.