Johannes Cornelisz Koopman was born 19 September 1689 in Wervershoof, North Holland, Netherlands to Cornelius Koopman (1654-1694) and Agatha Meijsen (1662-1704) and died 20 March 1752 Onderdijk, North Holland, Netherlands of unspecified causes. He married Meinum Jans (-) 15 November 1711 in Wervershoof, North Holland, Netherlands.
Children
| Name | Birth | Death | Joined with |
| Cornelis Koopman (1712-1789) | 16 October 1712 Wervershoof, North Holland, Netherlands | 19 January 1789 Wervershoof, North Holland, Netherlands | Tetje Claas (-) Trijntje Koster (1725-1788) |
Siblings
| Name | Birth | Death | Joined with |
| Petrus Koopman (1686-) | |||
| Johannes Koopman (1689-1752) | 19 September 1689 Wervershoof, North Holland, Netherlands | 20 March 1752 Onderdijk, North Holland, Netherlands | Meinum Jans (-) |
| Catharina Koopman (1692-) | |||
Residences
Footnotes (including sources)
| ‡ General |
| Ω Birth |
| ₪ Wedding |
| ¶ Death |