Guillaume de Gisors (1219–1307) was a Norman lord and knight. He was the son of Hugues III de Gisors and grandson of Jean de Gisors.
Life
A 1256 document identifies him as the Lord of Gisors.
See also
- Pierre Plantard
- Rennes-le-Château
References
Further reading
- Histoire de Gisors (1976) by Victor Patte