(IV) David G., son of Lemuel (q. v.) and Sophia (Leavenworth) Heacock, was born on the Kingsboro homestead of the Heacocks in Fulton county, New York, January 14, 1827, died January 24, 1878. He was educated in the public schools, and was for over thirty years a manufacturer of gloves in Kingsboro. He was a man of thorough and straightforward methods, and was rated one of the prosperous men of his time. His residence and place of business was Kingsboro. He was a member of the Presbyterian church and a Republican in politics. He married February 2, 1853, Jane Ann Van Wyck, born March 7, 1825, died August 12, 1898, daughter of Stephen D. and Hetty (Purdy) Van Wyck, of Dutchess county, New York. Children of Mr. and Mrs. Heacock:
- Helena V. W., married John D. Knight and removed to Lincoln, Nebraska;
- Eugene D., of whom further.
The Van Wycks of Dutchess county descend from Cornelius Barentse Van Wyck, the founder of the family in America. Stephen, the father of Jane A. (Van Wyck) Heacock, was a descendant of Cornelius, the third generation, son of Theodorus, born 1668, married Margaretia Brinkerhoff. Theodorus was son of Cornelius Barentse Van Wyck, "the founder," and his wife, Anna Polhemus, daughter of Dominie Theodorus Johannes Polhemus, the first Dutch Reformed minister to settle on Long Island. The Van Wycks were from Wyck bei Deirsteade, North Brabant, situated on the Teck, a branch of the Rhine. Cornelius came from Holland to America in 1660 and settled at Midwont (Flatbush). He became one of the patentees of that town and a member of the Dutch church in 1677. Theodorus, his son, was justice of the peace in Queens county from 1718 until the year of his death, 1753. He owned large tracts of land. He is buried at Great Neck where his father Cornelius is probably buried also. Cornelius, son of Theodorus, settled at Fishkill, New York, in 1736. A noted descendant of Cornelius was Charles Van Wyck, governor and United States senator from Nebraska.
(V) Eugene D., only son of David G. and Jane Ann (Van Wyck) Heacock, was born in Johnstown, New York, August 27, 1861. He was educated in the public, Union, and high schools of Gloversville, Schenectady Union Preparatory school, Schenectady and Rochester business colleges. He has been connected with the glove business since 1901 as a manufacturer, connected with the Mayfield Glove Company of Mayfield, New York, member of [the] Eccentric Club. He and his family are members of the Presbyterian church. He married, September 10, 1884, Lydia E., daughter of Alexander and Sarah A. (Potter) Cary, of Albion, New York. Children of Mr. and Mrs. Heacock:
- Helen V. W., died April 19, 1906, in her twenty-first year, a beautiful character, whose death was a serious bereavement to all those who knew her, she was an accomplished young woman, having attended Vassar College;
- David C. and
- Cary D., twins, died in infancy.