parents =Garnier d' Herbauges Landrée de Haspengouw
https://www.genealogieonline.nl/fr/kwartierstaat-cramer/I3308.php
http://gw.geneanet.org/roxy26?lang=fr&p=guibourg&n=d+herbauges
have skip a generation?
and Guibour was a widow of a musmlim wali
His wife Guitburgi is said to have been the widow of the Moorish wali of Orange taken by William in his battles against the Umayyad army of Hisham I in and around the county of Narbona about 793-796.
https://en.wikipedia.org/wiki/William_of_Gellone
était la veuve du wali musulman de la ville d'Orange, tué lors de la reconquête de la ville par Guillaume.
https://fr.wikipedia.org/wiki/Guillaume_de_Gellone