He married Rebecca Pearce (1788–1850), the daughter of Pierce and Lydia Pierce. Her brother was Olney Pierce (1770–1839), who married Elizabeth Van Deusen, and her sister was Lydia Pierce (1777–1839), who married Elias Ticknor (1769–1843). Olney and Egbert were both early settlers of
Champion, New York. Together, they were the parents of: in 1836. • Catherine Ten Eyck (1813–1863), who married Jacob Foster in 1836. • Lydia Maria Ten Eyck (1815–1884), who married
Joseph Mullin (1811–1882), also a lawyer and member of the
U.S. House of Representatives in 1839. • Egbert Ten Eyck (1828–1878) • Robert Ten Eyck (1832–1873), who married Catharine Greene. He died on April 11, 1844, the same day as
Micah Sterling who had preceded him in Congress, and both were buried at the Brookside Cemetery in Watertown.
Descendants Through his daughter Lydia, he was the maternal grandfather of State Senator
Joseph Mullin (1848–1897). ==See also==