William IV de Warenne, 5th Earl of Surrey
Born about 1166, Died in 1240
Married Maud Marshal, 1st daughter of William Marshal, 4th Earl of Pembroke and widow of Hugh le Bigod, 3rd Earl of Norfolk

Line 70
28. MAUD MARSHAL (69-28) M. 1207-12, Hugh Bigod, 3rd Earl of Norfolk (CP XII (2); 246).
Line 69 Revised for 8th Edition
28. MAUD MARSHAL, d. 27 Mar. 1248; m. (1) 1207/12, Hugh Bigod, d. Feb 1224/5, 3rd Earl of Norfold, Feb. 1221, Magna Charta Surety, 1215, son of Roger Bigod, b. abt. 1150, d. bef. Aug 1221, Baron le Bigod, Lord High Steward of England, 2nd Earl of Norfold, 1189, Magna Charta Surety, 1215, and Ida; m. (2) 1225, WILLIAM DE WARENNE (83-27), 6th Earl of Surrey (CP IV: 670 chart, IX: 586-590, X: 364; turton, 138; Weever, 829; CCN).