III Dietrich

III was born about 0992.¹   III's father was Arnulf and his mother was Luitgarde of Luxembourg.  His paternal grandparents were Detrich II of West Frisia and Hildegarde de Flanders; his maternal grandparents were Siegfried, Count of Luxembourgh and Hedwig von Nordgau. He had a sister named Hildeburge.  He was the older of the two children.  He died on June 27th, 1039.¹