William VI of Saint Omer was the castellan of Saint-Omer and lord of Fauquembergues briefly in ca. 1246/7.
The genealogist Baldwin of Avesnes records him as a son of William V of Saint Omer, but Arthur Giry has him rather a younger brother of the latter, i.e. he was one of the eleven children of William IV of Saint Omer and Ida of Avesnes.[1] He is first attested in April 1207, and appears thereafter in various charters and documents, in which from 1218 on he appears as lord of Pitgam and later of Berkin.[2] He succeeded his brother sometime between March 1246 and his own only attestation as castellan, in August 1247. Very little is known of his tenure, which apparently was very brief; Baldwin of Avesnes merely records that he went on Crusade, where he died. He was succeeded by his eldest sister Beatrice and her son William of Renenghes by 1251.[3]
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Sources edit
- Giry, Arthur (1874). "Les châtelains de Saint-Omer (1042-1386) (premier article)". Bibliothèque de l'école des chartes (in French). 35: 325–355. doi:10.3406/bec.1874.446568.
- Giry, Arthur (1875). "Les châtelains de Saint-Omer (1042-1386) (deuxième article)". Bibliothèque de l'école des chartes (in French). 36: 91–117. doi:10.3406/bec.1875.446625.