Family: John Mayne / Isabel St Martins (F19889)
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 | John Mayne (1425-1460) |
 | Dorothy Whitbread (1430-1465) |
| Peter St. Martin (1420- ) |
| John Mayne (1450-1482)
|
| Isabel St Martins (1450-1476)
|
| John Mayne (1460-1548)  |