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.
Istrinya Guitburgi dikatakan telah menjadi janda wali Moor dari Orange yang diambil oleh Guilhèm dalam pertempuran melawan tentara Umayyah Hisham I di dan sekitar county Narbona pada sekitar tahun 793-796.