Willem van HeemskerckAge: 66 years1718–1784
- Name
- Willem van Heemskerck
- Given names
- Willem
- Surname
- van Heemskerck
 Birth | April 6, 1718 29 25 |
 Birth of a brother | Cornelis van Heemskerck 1724 (Age 5 years) |
| Death of a brother | Cornelis van Heemskerck June 18, 1724 (Age 6 years) |
| Death of a paternal grandmother | Cornelia Pauw June 24, 1725 (Age 7 years) |
| Birth of a sister | Anna Petronella van Heemskerck May 1728 (Age 10 years) |
| Death of a father | Jean Henry van Heemskerck March 1, 1730 (Age 11 years) |
| Burial of a father | Jean Henry van Heemskerck March 4, 1730 (Age 11 years) |
| Death of a sister | Anna Petronella van Heemskerck July 19, 1757 (Age 39 years) |
| Death of a mother | Anna Petronella van Schuylenburch January 26, 1766 (Age 47 years) |
| Burial of a mother | Anna Petronella van Schuylenburch January 30, 1766 (Age 47 years) |
 Death | August 28, 1784 (Age 66 years) |
| Family with parents |
| father |
Jean Henry van Heemskerck Birth: February 15, 1689 42 40 — Amsterdam Death: March 1, 1730 |
| mother |
Anna Petronella van Schuylenburch Birth: January 18, 1693 Death: January 26, 1766 |
|
Marriage: — |
|
| elder brother |
|
|
3 years himself |
Willem van Heemskerck Birth: April 6, 1718 29 25 Death: August 28, 1784 |
|
7 years younger brother |
Cornelis van Heemskerck Birth: 1724 34 30 Death: June 18, 1724 |
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4 years younger sister |
Anna Petronella van Heemskerck Birth: May 1728 39 35 Death: July 19, 1757 — Den Haag |