Father | MaleWilliam UNDERWOOD |
| Born | 10 Dec 1733 | Pencader, New Castle Co, DE |
| Died | 13 Apr 1801 | New Castle Co, DE |
| Buried | ||
| Married | ||
| Father | ||
| Mother | ||
Mother | FemaleElizabeth DIXON |
| Born | 18 Jul 1729 | Pencader, New Castle Co, DE |
| Died | 11 Mar 1832 | New Castle, New Castle Co, DE |
| Buried | ||
| Father | ||
| Mother | ||
Child 1 | Male+ Isaac UNDERWOOD |
| Born | 23 Sep 1760 | New Castle, New Castle Co, DE |
| Died | 1795 | Mason Co (now Greenup Co), KY |
| Buried | ||
| Spouse | Rhoda NEWTON | F41921 | |
| Married | ||
Child 2 | Male+ Samuel UNDERWOOD |
| Born | 26 Jul 1767 | New Castle, New Castle Co, DE |
| Died | 22 Jun 1836 | Tyler Co, (W)VA |
| Buried | ||
| Spouse | Elizabeth BACKHOUSE | F47941 | |
| Married | ||