KLDeWitt Genealogy Research Project
Our Family's Journey Through Time from Europe and Canada to the US
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 | Ralph de Monthermer, 1st Baron Monthermer (1270-1325) |
 | Joan Plantagenet of Acre, Princess of England (1272-1307)
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| Mary de Monthermer (1297- ) |
| Joan de Monthermer (1299- ) |
| Edward de Monthermer (1304-1339) |
| Thomas de Monthermer, 2nd Baron Monthermer (1301-1340)
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| Margaret de Monthermer, 3rd Baroness Monthermer (1329-1394)  |
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