| Name | William Cosgwell Jr. |
| Sex | M |
| Surname | JR. |
| Birth Date | 4 Dec 1659 |
| Birth Place | Chebacco Parish Ipswich, Massachusetts |
| Death Date | 14 Apr 1708 |
| Death Place | Chebacco Parish Ipswich, Massachusetts |
| Spouse Entry | Martha Emmerson |
| Mother | Susanna Hawkes |
| Father | William Cogswell |
| Child #1 | Edward Coswell |
| Child #2 | Martha Coswell |
| Child #3 | William Coswell |
| Child #4 | Dorothy Emerson Coswell |
| Child #5 | Lucy Coswell |
| Child #6 | Emerson Coswell |
| Child #7 | Eunice Coswell |
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