John "The Marshall" Fitzgilbert & Sibilla (Sibyl) De Salisbury 
John "The Marshall" and Sibilla (Sibyl) De were married in a religious ceremony about 1143 in Pembroke, Pembrokeshire, Wales.1 They had four sons and four daughters, named John, William, Anselm, Henry, Maud, Dau, Maud and Margaret.
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Personal Details
John "The Marshall" Fitzgilbert
John "The Marshall" was born about 1105 in Of, Pembroke, Pembrokeshire, Wales.2 2
Sibilla (Sibyl) De Salisbury
Sibilla (Sibyl) De was born about 1126 in Of, Pembroke, Pembrokeshire, Wales.2 She died on June 3rd in England.2
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Children
William Marshall
William was born about 1146 in of, of Pembroke, Pembrokeshire, Wales.3 He died on May 14th, 1219 in Caversham Manor, England, England.2
Henry Marshall
Henry was born about 1156 in Of, Pembroke, Pembrokeshire, Wales.2 He died in October 1206.2