William Smithson–
- Name
- William Smithson
- Given names
- William
- Surname
- Smithson
| Christening of a sister | Dorothy Smithson 25 April 1665 |
| Christening of a sister | Elizabeth Smithson 8 July 1666 |
| Christening of a brother | John Smithson 10 September 1667 |
| Christening of a brother | Christopher Smithson 8 April 1670 |
| Death of a maternal grandfather | Charles Fairfax 1673 |
| Burial of a brother | George Smithson 6 October 1685 |
| Death of a father | George Smithson October 1692 |
| Death of a brother | Thomas Smithson about 1699 |
| Death of a brother | John Smithson 9 October 1701 |
| Death of a brother | Christopher Smithson 1702 |
| Burial of a brother | Christopher Smithson 19 June 1702 |
| Death of a mother | Eleanor Fairfax 1713 |
| Family with parents |
| father |
George Smithson Birth: July 1615 21 15 — Moulton, Yorkshire, England Death: October 1692 — Moulton, Yorkshire, England |
| mother |
Eleanor Fairfax Birth: 31 January 1630 32 22 — Otley, Yorkshire, England Death: 1713 — England |
|
Marriage: 20 January 1652 — St Helens, Bishopsgate, London, England |
|
|
23 months brother |
George Smithson Birth: about 1653 37 22 Death: |
| himself | |
| brother | |
| sister | |
| brother |
John Smithson Christening: 10 September 1667 — Middleton Tyas Church, Yorkshire, England Death: 9 October 1701 — Catterick, Yorkshire, England |
|
-2 years sister |
Dorothy Smithson Christening: 25 April 1665 — Middleton Tyas Church, Yorkshire, England Death: |
|
14 months sister |
Elizabeth Smithson Christening: 8 July 1666 — Middleton Tyas Church, Yorkshire, England Death: |
|
4 years brother |
Christopher Smithson Christening: 8 April 1670 — Middleton Tyas Church, Yorkshire, England Death: 1702 — Scorton, Yorkshire, England |
|
-14 years brother |
Thomas Smithson Birth: about 1655 39 24 Death: about 1699 — York, Yorkshire, England |