974–975. Hendrick Hendricksen Schoonmaker was baptized probably in Kingston, Ulster County, New York, on Wednesday, May 17, 1665, and died in 1718. Geertruy De Witt was baptized in Kingston, Ulster County, New York, on Thursday, October 15, 1668, and died in Kingston in 1718. They were married in Dutch Reformed Church, Kingston, New York, on Saturday, March 24, 1688. She took the name Geertruy Schoonmaker. He is the son of Hendrick Jochemsen and Elsje Jansen (Van Breestede) Schoonmaker. She is the daughter of Tjerck Claessen and Barbara (Andriessen) De Witt. They had 14 children:
| i. | Elsie Schoonmaker: christened on April 14, 1689, a twin of Heskia, in New York; she apparently died young. | |
| ii. | Heskia Schoonmaker: He was Elsie's twin, christened on April 14, 1689, in New York. He married Sara Bayard. | |
| iii. | Barbara Schoonmaker: She was christened on May 26, 1691, in New York. She married Wilhelmus Ploeg on October 30, 1719. | |
| iv. | Elsie Schoonmaker: She was christened on April 17, 1692, in New York. She married Nicholas De Meyer on June 13, 1713. | |
| v. | Hendrick H. Schoonmaker: He was christened on June 3, 1694, in New York. He married Tryntje Oosterhoudt on October 16, 1724. | |
| vi. | Jannetje Schoonmaker: She was christened on August 18, 1695, in New York. | |
| vii. | Johannes Schoonmaker: He was christened on July 4, 1697, in New York. He married Ariantje Van Hoogteling on May 15, 1728-9. | |
| viii. | Tjerck Schoonmaker: He was christened on January 22, 1699, in New York, and died on November 24, 1763. He married Theodosia Whittaker on November 21, 1729. | |
| ix. | Jacob Schoonmaker: He was christened on November 3, 1700, in New York. | |
| x. | Jannetje Schoonmaker: She was christened on October 4, 1702, in New York. She married Hendrik Oosterhout on September 30, 1720. | |
| xi. | Sarah Schoonmaker: She was christened on March 2, 1707, in New York. | |
| xii. | Catrina Schoonmaker [#487]: She was baptized in Kingston, New York, on September 11, 1709, and died in Ulster County, New York, about 1781. | |
| xiii. | Sarah Schoonmaker: She was born on October 12, and christened on November 12, 1710, in New York. She married Cornelia Macklin on August 19, 1726. | |
| xiv. | Maria Schoonmaker: She was christened about 1712 in New York. She married Martin Post on August 28, 1731. |