Jan Gerritsz Buijsman was born 23 September 1689 in Grootebroek, North Holland, Netherlands to Gerrit Buisman (c1664-1721) and Trijn Knips (c1660-1739) and died circa 12 August 1747 Grootebroek, North Holland, Netherlands of unspecified causes. He married Divera Volkertz (-) 12 January 1711 in Grootebroek, North Holland, Netherlands.
Children
| Name | Birth | Death | Joined with |
| Eva Buijsman (1715-) | |||
| Maria Buijsman (1718-) | |||
| Sijmon Buijsman (1720-1785) | |||
| Gerrit Buijsman (1725-) | |||
| Jan Buijsman (1728-1808) | |||
| Volkert Buijsman (1728-1800) | 19 December 1728 Grootebroek, North Holland, Netherlands | 18 December 1800 Grootebroek, North Holland, Netherlands | Meijnoutje Meijnders (-c1769) |
| Anna Buijsman (1729-) | |||
| Nicolaas Buijsman (1732-1796) | |||
Footnotes (including sources)
| ‡ General |