John FitzJohn Marshal

John FitzJohn was born in 1144 in Eng?.  John FitzJohn's father was *John FitzGilbert Marshall and his mother was *Sibyl , de Salisbury de Evereux.  His paternal grandparents were *Gilbert FitzRobert , the Marshall Marshall and *Unknown de Venuz; his maternal grandparents were *Walter FitzEdward de Evereux and *Sibilla (Maud) de Chaworth. He had three brothers and two sisters, named *William , Earl of Pembroke4, Anselm FitzJohn, Henry FitzJohn , Bishop of Exeter, Maud and Margaret FitzGilbert. He had two half-brothers named Gilbert FitzJohn and Walter FitzJohn.  He died at the age of 50 in March 1194 in Eng?.