Elizabeth Sweetman Wellington was born 6 January 1647 in Cambridge, Middlesex County, Massachusetts to Thomas Sweetman (1604-1683) and Isabella Cutter (1604-) and died 8 March 1729 Cambridge, Middlesex County, Massachusetts of unspecified causes. She married Benjamin Wellington (1646-1709) 7 December 1671 in Cambridge, Middlesex County, Massachusetts.
Children
| Name | Birth | Death | Joined with |
| Ruhama Wellington (1671-1772) | |||
| Elizabeth Wellington (1673-1729) | 29 December 1673 Watertown, Middlesex County, Massachusetts, United States | 8 March 1729 Westborough, Worcester County, Massachusetts, United States | John Fay (1669-1747) |
| Benjamin Wellington (1676-1738) | |||
| Ebenezer Wellington (1678-) | |||
| John Wellington (1678-1717) | |||
| Mehetabel Wellington (1687-1776) | 26 February 1687 Watertown, Middlesex County, Massachusetts | 12 April 1776 New Haven, New Haven County, Connecticut | William Sherman (1692-1740) |
| Joseph Wellington (1691-1746) | |||
| Roger Wellington (1695-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Elizabeth Sweetman (1646-c1694) | 6 January 1647 Cambridge, Middlesex County, Massachusetts | 8 March 1729 Cambridge, Middlesex County, Massachusetts | Benjamin Wellington (1646-1709) |
| Mehetabel Sweetman (1650-) | |||
| Rebecca Sweetman (1649-1723) | |||
| Sarah Sweetman (1654-1697) | |||
| Thomas Sweetman (1655-1655) | |||
| Ruhamah Sweetman (1657-) | |||
| Samuel Sweetman (1659-) | |||
| Bethia Sweetman (1661-) | |||
| Hephzibah Sweetman (1666-1683) | |||