Biography

Lived in Geneva, NY. Married to Caroline Cutbush Rees De Zeng.
From the De Zeng Family (Geneva, NY) Papers, 1729-1925: "The son of Baron Frederick A. De Zeng, William Steuben De Zeng, was born in Little Falls, New York in 1793.  He moved to Geneva in 1812 and married Caroline Cutbush Rees, the daughter of Major James Rees and his wife, Elizabeth, in 1817.  For more than half a century De Zeng was identified with the growth and development of Geneva and its surrounding region.  He led the effort to secure legislation and construction of the Cayuga and Seneca Canal.  Owner of the Ontario Glass Works Company and co-owner of a cotton factory with James Fellows, he was also a long-time member of the board of trustees of Hobart College, which his father-in-law had helped found.  De Zeng was also one of the originators of the Manhattan Life Insurance Company in New York City.  Their children include: Caroline (b. 1827), who married Clarence A. Seward (c. 1850); James Rees (b. 1819); Josephine Matilda (1823-1865), who married Edward F. De Lancey; William (1825-1849); Henry L. (b. 1829); Edward Cutbush (b. 1831); Mary Ann (b. 1834); and Evalina Throop (b. 1836)."