William  IV Tailliefer

William  IV was born about 1134 in Angouleme, Charente, France.  William  IV's father was Walgren Tailliefer and his mother was Ponce de Lezigan.  He was an only child.  He died in 1187 in Messina, Sicily.

They had a son and a daughter, named Aymer and Mathilde.