William de Grandison
M, (circa 1250 - 27 June 1335)
Father-Biological* | Pierre d. c 1258 |
Mother-Biological* | Agnes de Neuchâtel |
- Family Lines
- Boudreau Line
Last Edited=17 Mar 2022
William de Grandison was born circa 1250. He was the son of Pierre and Agnes de Neuchâtel.
William de Grandison married Sybil Tregoz, daughter of John de Tregoz and Mabel FitzWarin, on 21 January 1286. William de Grandison died on 27 June 1335.
William de Grandison married Sybil Tregoz, daughter of John de Tregoz and Mabel FitzWarin, on 21 January 1286. William de Grandison died on 27 June 1335.
Children of William de Grandison and Sybil Tregoz
- Mabilia de Grandison+
- Katherine de Grandison+ (c 1304 - 23 Nov 1349)