Name | Spouse | Birth | Birthplace |
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James Grant Forbes | Margaret Tyndal Winthrop | 22 OCT 1879 | China, Shanghai |
1 | Angela Elizabeth Forbes | Frederick Bayard Winthrop | 5 APR 1912 | France, Ile-de-France, Paris |
| A | Iris Winthrop | Willard Clark Freeman | 18 APR 1935 | MA, Suffolk Co, Boston |
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| B | Angela Winthrop | Charles Willard Getchell | 8 SEP 1936 | MA, Suffolk Co, Boston |
| C | Adam Winthrop | Miranda Townsend McCagg | 20 SEP 1938 | MA, Suffolk Co, Boston |
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| D | Frederic Winthrop | Susan Bailey Shaw | 11 JUN 1940 | MA, Suffolk Co, Boston |
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| E | Robert Winthrop | Carol Ann Veatch | 14 DEC 1946 | MA, Suffolk Co, Boston |
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| F | Grant Forbes Winthrop | Hope Hartley Brock | 22 FEB 1949 | MA, Suffolk Co, Boston |
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| G | Jonathan Winthrop | Sydney Cheston | 1 JAN 1953 | MA, Essex Co, Ipswich |
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2 | Rosemary Grant Forbes | Richard John Kerry | 27 OCT 1913 | France, Ile-de-France, Paris |
| A | John Forbes Kerry | Julia Stimson Thorne | 11 DEC 1943 | CO, Arapahoe Co, Aurora |
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| A | John Forbes Kerry | Maria Theresa Thierstein Simoes-Ferreira | 11 DEC 1943 | CO, Arapahoe Co, Aurora |
| B | Cameron Forbes Kerry | | 6 SEP 1950 | CO, Arapahoe Co, Aurora |