Father | MaleCozyn Gerritsen BLAUVELT |
| Born | 1608 | Changed last name to Cosyns or Cozyns in America, Holland, Netherlands |
| Died | 1686 | Kings, New York, USA |
| Buried | ||
| Married | 1640 | USA |
| Father | Gerrit Hendricksen BLAUVELT | F613 Group Sheet | |
| Mother | Jannetje LAGERWEIJ | F613 Group Sheet | |
Mother | FemaleVroutje COSYNS |
| Born | 1616 | Using married last name of Cosyns, Nyc, New York, United States |
| Died | 1686 | New York, New York, New York, USA |
| Buried | ||
| Other Spouse | Cozyn GERRITSEN | F714 | |
| Married | ||
| Father | ||
| Mother | ||
Child 1 | MaleGerrit COSYN |
| Born | 20 May 1640 | Baptized 20 May 1640 Dutch Reform Chruch N.Y. City, Dutch Reform Chruch, New Amsterdam, New York, USA |
| Died | 7 Sep 1702 | Will dateted 4 Sep 1702, New York, New York, New York, USA |
| Buried | ||
| Spouse | Belitje Jacobs QUICK | F572 | |
| Married | 25 Oct 1673 | Fort Orange, Albany, New York, United States |
Child 3 | FemaleGrietje Cosyns COZYNS |
| Born | 5 May 1641 | Grietje Cozynsdaughter Cozyn also spelled Cosyn, Harlem,New York, New York+ |
| Died | 1724 | Orange,Schuyler,New York,USA |
| Buried | ||
| Spouse | Jan Pieterse HARING | F1215 | |
| Married | 18 May 1662 | New York, United States |