William FitzWilliam 
William was born in 1290. William's father was William FitzWilliam and his mother was Agnes Grey. His paternal grandparents were Thomas , Knight FitzWilliam and Agnes Bertram; his maternal grandfather was Richard , Lord Grey. He had a half-sister named Isabel. He died at the age of 51 in 1341.General Notes
Name Suffix:<NSFX> Sir
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Ancestor Pedigree Chart
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*There are earlier generations for the ancestor(s) indicated. See their page(s) for details (click name)
- b.< 1110 d.> 1184
- b.< 1226 d.> 1266
- b.~ 1075
- b.~ 1097 in Lincoln,Lincolnshire,ENGLAND
- b.1128 in Holton,Yorkshire,ENGLAND d.1193
- b.~ 1070 in Halton,Chestershire,ENGLAND
- b.~ 1097 in Pontrefact,Yorkshire,ENGLAND d.> 1193
- b.~ 1074 in Pontrefact,Yorkshire,ENGLAND
- b.~ 1390 d.> 1279
- b.1290 d.1341
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They had a son named John.