| 1. Josiah Willoughby |
 |
| B: |
30 Jul 1763 |
| P: |
Bennington, Bennington, Vermont |
| D: |
18 Jan 1836 |
| P: |
York, Ontario, Canada |
|
| 2. Joseph Willoughby |
|
| B: |
17 Feb 1739 |
| P: |
Billerica, Middlesex, Massachusetts Bay Colony, British Colonial America |
| M: |
22 May 1760 |
| P: |
Harvard, Worcester, Massachusetts, United States |
| D: |
13 Jul 1810 |
| P: |
Monkton, Addison, Vermont, United States |
|
| 4. John Willoughby |
|
| B: |
25 Dec 1707 |
| P: |
Billerica, Middlesex, Massachusetts Bay, British Colonial America |
| M: |
27 Mar 1735 |
| P: |
Billerica, Middlesex, Massachusetts Bay Colony, British Colonial America |
| D: |
2 Feb 1793 |
| P: |
Hollis, Hillsborough, New Hampshire, United States |
|
| 8. John Willoughby |
=> |
|
| B: |
11 Dec 1688 |
| P: |
Salem, Essex, Massachusetts Bay Colony, British Colonial America |
| M: |
5 Feb 1710 |
| P: |
Boston, Suffolk, Massachusetts Bay Colony, British Colonial America |
| D: |
2 Feb 1745 |
| P: |
Colony of New Hampshire, British Colonial America |
|
1763 - 1836 (72 years)
