| Children |
| | 1. Steynt Cosaadt, c. 13 Jul 1735, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States  |
| | 2. David Cosaadt, c. 17 Sep 1738, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States d. Oct 1780, Fonda, Montgomery, New York, United States (Age ~ 42 years) |
| | 3. Geertye Cosaadt, c. 29 Jun 1740, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States  |
| | 4. Susanna Cosaadt or Cossart, c. 6 Jun 1742, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States d. of Danube, Herkimer, New York, United States  |
| | 5. Catelyntie Cosaadt, c. 18 Aug 1744, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States  |
| | 6. Jacobus Cosaadt, c. 6 Oct 1745, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States d. 6 Apr 1821, Canandaigua, Ontario, New York, United States (Age ~ 75 years) |
| | 7. Jannetie Cosaadt, c. 5 May 1747, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States  |
| | 8. Frans Cosaadt, c. 5 Aug 1750, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States  |
| | 9. Efye Euphemia Cosaadt, c. 20 Jan 1752, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States  |
| | 10. Mareya Cosaadt, c. Apr 1754, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States  |
| | 11. Nelte Cosaadt, c. 22 Aug 1756, First Reformed Church of Raritan, Somerville, Somerset, New Jersey, United States  |
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