Count Balduin IV le Barbu av Flandern

			Count Arnulf I le Vieux of Flandern b: ca. 890 d: March 27, 964
		Count Balduin III of Flandern b: ca. 940 d: November 01, 962
			Countess Adele of Vermandois b: ca. 915 d: between 958 and 960
	Count Arnulf II le Jeune of Flandern b: ca. 961 d: March 30, 988
			Duke Hermann Billung of Sachsen b: ca. 903 d: March 27, 973
		Mathilde of Sachsen d: May 25, 1008
			Duchess Hildegard of Westerburg
Count Balduin IV le Barbu of Flandern b: ca. 980 d: May 30, 1035
			Count Adalbert II of Ivrea d: ca. 923
		King Berengar II of Italy b: ca. 900 d: August 06, 966, Bamberg
			Countess Gisela of Italy b: between 880 and 885 d: between 910 and 915
	Princess Rozela of Italy b: between 950 and 960 d: 1003
			Count Boso of Arles b: ca. 885 d: 938
		Queen Willa of Arles d: after 966
			Willa ???