Jan Heermans was born August 8, 1703 in Ulster, NY (Old Dutch Church #1412, sponsers Hendrick Heeronmansen and Rebecca Van Wagenen) He married Jacomynteje Swart April 24, 1731 in Kingston, NY (See Book of Deeds Gustave Anjou PhD - pgs 70-71 - will of Jan Hermans Jr.; NY Probate Records; Baptismal and Marriage Records of Old Dutch Church of Kingston, NY; Old Dutch Church, Banns published Kingston Ulster County NY April 4, 1731); and Hoes Baptismal and Marriage Records)She is the daughter of Adam Swart and Metje Van Slyck.
I have listed four children: Jacob Heermans born 1732 Kingston NY died Hurley NY (# 1329 of the Registers fo the Old Dutch Church of Kingston, Hoes)
Abraham Heermans born about 1734 (Southeast New York Birth and Baptisims, Arthur M. Kelly, #4367 7/14/1734sponsors: Theunis Adamsz Swart; Aagjen Van Vliet)
Jan Heermans born about 1736 (Southeast NY Birth and Baptisims, Kelly, #4574 2/81/1736 sponsors Willem Swart and Annaatjen du Mond)
Jan Heermans born about 1738 (Southeast NY Birth and Baptisims, Kelly, #4948 9/24/1738 sponsors Jacob Heermans and Anna Heermans)