William IV of Toulouse

William IV of was born in 1040.  William IV of's father was Pons and his mother was Almodis de la Marche.  His paternal grandparents were William Taillefer and Emma Venaissin; his maternal grandfather was Bernard de la Marche. He had a brother named Raymond IV of. He had two half-brothers named Hugh VII and Raymond II.  He died at the age of 53 in 1093.