[1] According to legend, Ardolf was born to Elftrude after his father, Siegfried, had died.
His cousin, Arnulf II, Count of Flanders, was his godfather.
[1] According to Lambert of Ardres, Ardolf grew up in the court of the Counts of Flanders and rose to be a favorite of his first cousin and godfather, swearing to military oaths and was created a knight by Arnulf II.
[1] Ardolf married Matilda, the daughter of Count Erniculus of Boulogne.
This biography of a French peer or noble is a stub.