I now have their marriage data.Sorry, for my error; I typed Arent's birth date for his marriage date in the message body before.The subject line was correct.
Correction: 1st generation [earliest] Do you have any information on the parent's names of Charlotte [Scharlottha] VANDERWERKEN, VANDERWALKER, VANDERWORKER, VANDERWARK or VANDERWANKEN, b. aft. 1700 in Montreal, Quebec, [PQ, QC], married 25 Dec. 1698 Arent Lourens VANDERKARR or VANDEKAR, who was a twin, b. 25 Dec. 1698, Kinderhook, Columbia Co., New York? Sponsor of the baptism were Antoni VAN SCHAICK and Evert BANKER or BANTER. *** 2nd generation: ~Derrick [Dirck, Dirk] VANDERKARR b. 2 May 1742 Albany, NY, m. 12 June 1771 Helena [Hilletje] MULLER [my paternal ancestors]. ~Fytje bpt. 1730, ~Hendrick bpt. 1733, ~Maria [twin] bpt. 1736 m. 1762 Garret HARDICK, ~Elisabeth [twin] bpt. 1736, ~Geertruy bpt. 1739, and Arent bpt. 20 Aug. 1745 in Coxsackle, NY, m. 26 Aug. 1775 Reecca FONDA. *** 3rd generation ~Aaron VANDERKARR b. 1772 m. Christina SNYDER, SCHNYDER], my paternal ancestors. ~Hilitje bpt. 1775, ~Jacob bpt. 1783. *** 4th generation etc.