William V Margrave of Montferrat

William V Margrave of was born about 1110 in Montferrat, Italy.  William V Margrave of's father was Rainer Marquis of Montferrat and his mother was Gisela of Burgundy.  His maternal grandparents were William I "The Great" Count of Macon & Burgundy and Stephanie (Etiennette) de Longwy. He had a sister named Jeanne de.  He was the younger of the two children. He had a half-brother and two half-sisters, named Amadeo III Count of, Adelaide of and Agnes of.  He died in 1191.