| Person | [Birth - Death] | Spouse |
|---|---|---|
| Agnes Underdown | [15 January 1573/74 - ?] | |
| Ellen Underdown | [22 September 1602 - ?] | |
| Joan Underdown | [31 October 1570 - ?] | |
| John Underdown | [1 May 1573 - ?] | |
| Katherine Underdown | [21 September 1577 - ?] | |
| Margery Underdown | [5 May 1588 - ?] | |
| Mary Underdown | [17 September 1598 - 19 April 1678] | John Tomlin |
| Richard Underdown | [? - ?] | Margery Coppin |
| Richard Underdown | [27 April 1584 - ?] | |
| Stephen Underdown | [12 February 1579/80 - ?] | |
| Vincent Underdown | [1 November 1568 - 10 November 1625] | Phillis Estice |