Family: Earl William Marshall, Knight / Petronilla De Ortiaco (F13389)
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 | John Marshall (1185-1235)
|
 | Lady Aline Olivia Mitford de Rye (1185-1267) |
| John Marshall (1201-1242) |
| Mary Sibyl Marshall (1213-1246) |
| Alice Marshall (1215-1271) |
| Sibyle Marshall (1215-1250) |
| William Marshall (1229- ) |
| Earl William Marshall, Knight (1214-1264)
|
| Petronilla De Ortiaco (1210-1250) |
| Lord John Zeta Marshall, Baron (1240-1282)  |