Nanning van Foreest was born 2 February 1682 in Hoorn, North Holland, Netherlands to Jacob van Foreest (1640-1708) and Maria Sweers (1649-1720) and died 15 August 1745 Hoorn, North Holland, Netherlands of unspecified causes. He married Jacoba de Vries (1706-1750) 1 August 1728 in Hoorn, North Holland, Netherlands.
Children
| Name | Birth | Death | Joined with |
| Jacob van Foreest (1731-1783) | 13 December 1731 Hoorn, North Holland, Netherlands | 6 November 1783 Alkmaar, North Holland, Netherlands | Francina Jacoba Burman (1734-1792) |
| Nanning van Foreest (1740-1794) | |||
| Agatha van Foreest (1733-1801) | |||