Jan Gerritsen Decker was born before 7 June 1719 at Kingston, Ulster, New York, United States, 41.827780,-73.965000. He was the son of Jan Gerretsen Decker and Barbara Jans DeWitt. Jan Gerritsen Decker married Blandina Kuykendall in 1739 at Rockland, New York, United States. Jan Gerritsen Decker died before 10 January 1791 at Knox, Indiana, United States. He was buried after 10 January 1791 at Decker Graveyard, Decker Township, Knox, Indiana, United States.
Children of Jan Gerritsen Decker and Blandina Kuykendall
◦Mathew Decker
◦Samuel Decker
◦Hermanius Decker
◦Tobias Decker+ b. c 1740, d. a 22 Sep 1802
◦Elisabeth Decker b. 22 May 1741, d. b 1791
◦Barbara Decker+ b. b 19 Oct 1743, d. c 1788
◦Isaac Decker b. c 1745, d. b 1791
◦Jacob Decker+ b. c 1745
◦Joseph Decker+ b. 1752, d. 20 Jan 1810
◦Abraham Decker b. c 1755
◦Susannah Decker+ b. c 1757, d. 1838
◦Moses Decker+ b. c 1758, d. 30 Jul 1814
◦Luke Decker+ b. 1760, d. Mar 1825
◦John Decker b. c 1767
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