Pieter Jacobsz Groot was born 29 April 1803 in Lutjebroek, North Holland, Netherlands to Jacob Groot (1778-1813) and Antje Meester (1774-1852) and died 6 August 1846 Grootebroek, North Holland, Netherlands of unspecified causes. He married Aaltje Onneweer (1801-1867) 1 February 1835 in Hoogkarspel, North Holland, Netherlands.
Children
| Name | Birth | Death | Joined with |
| Jacob Groot (1838-1903) | |||
| Barend Groot (1839-1898) | |||
| Antje Groot (1844-1920) | |||
Siblings
| Name | Birth | Death | Joined with |
| Pieter Groot (1804-1846) | 29 April 1803 Lutjebroek, North Holland, Netherlands | 6 August 1846 Grootebroek, North Holland, Netherlands | Aaltje Onneweer (1801-1867) |
| Geertje Groot (1804-1882) | 25 March 1804 Lutjebroek, North Holland, Netherlands | 15 June 1882 Hoogkarspel, North Holland, Netherlands | Ente Deken (1783-1850) |
| Impje Groot (c1808-1836) | |||
Residences
Footnotes (including sources)
| ‡ General |