Pieter Gerritsz Buijsman was born 24 February 1700 in Grootebroek, North Holland, Netherlands to Gerrit Buisman (c1664-1721) and Trijn Knips (c1660-1739) and died 13 December 1766 Grootebroek, North Holland, Netherlands of unspecified causes. He married Impje Jans (-1793) 10 September 1730 in Grootebroek, North Holland, Netherlands.
Children
| Name | Birth | Death | Joined with |
| Eva Buijsman (1732-) | |||
| Gerrit Buijsman (1734-1783) | 27 January 1734 Grootebroek, North Holland, Netherlands | 17 April 1783 Grootebroek, North Holland, Netherlands | Trijntje Buurman (1737-1774) Geertje Bastiaans (c1775-) |
| Cornelis Buijsman (1740-) | |||
| Jan Buijsman (1743-) | |||
| Outjer Buijsman (1745-) | |||
| Jacob Buijsman (1748-) | |||
Siblings
| Name | Birth | Death | Joined with |
| Jan Buisman (1688-bef1689) | |||
| Jan Buijsman (1689-1747) | 23 September 1689 Grootebroek, North Holland, Netherlands | 12 August 1747 Grootebroek, North Holland, Netherlands | Divera Volkertz (-) |
| Cornelis Buisman (1691-1692) | |||
| Aafje Buisman (1692-1710) | |||
| Cornelis Buisman (1694-1778) | 5 February 1694 Grootebroek, North Holland, Netherlands | 15 September 1778 Grootebroek, North Holland, Netherlands | Anna Buurman (1695-1767) |
| Vrouwtje Buisman (1698-?) | |||
| Pieter Buijsman (1700-1766) | 24 February 1700 Grootebroek, North Holland, Netherlands | 13 December 1766 Grootebroek, North Holland, Netherlands | Impje Jans (-1793) |
| Sijmon Buisman (1702-1702) | |||
| Geertje Buisman (1704-1759) | |||