Complex sentence: The last Carolingian male (from its branch Herbertines), he was the only son of Herbert IV of Vermandois and Adelaide de Valois, daughter of Raoul III of Valois and Adele de Bar-sur-Aube.
Split into simpler sentences: The last Carolingian male (from its branch Herbertines). He was the only son of Herbert IV of Vermandois and Adelaide de Valois, daughter of Raoul III of Valois and Adele de Bar-sur-Aube.