Nielsen Hayden genealogy
Family: Simon Basset / Isabel le Boteler (F12930)
m. Bef 1309Ralph Basset (1260- ) 
|
Elizabeth de Coleville ( -1295)
|
| William le Boteler (1274-1334)
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| Beatrice ( -1306) |
William le Boteler (1298-1361)  |
| Simon Basset (1294-1328)
|
| Ralph Basset ( -1378) |