Note: Ancestor of Philippa of Hainault, wife of Edward III.
Liudolf married Matilda of Zutphen, by whom he had issue:
Heinrich, d. 1031
Conrad I (also called Kuno or Cuno), Count of Zutphen and Duke of Bavaria (died in 1055, buried in Cologne);
Adelheid (born in Zutphen, Gelderland, about 1030), heiress of her brothers to Zutphen, Waldenburg, etc. She married Godeschalk, Count of Zutphen in right of his wife (b. ca. 1030, died 1063/4)
"After Ludolf's death it is possible that Zutphen was always intended for Adelheid of Zutphen. It would eventually go to her husband Gottschalk."