Joseph Bastedo and Elizabeth baptized a son Jacob in Schoharie, New York, on 3/8/1741. It is possible that this Jacob is the one who married Clarissa van Slyke. Church records of Niskayuna and Schorarie, New York, Book 36.

Jacob lived in Kingston and Stamford73 where he settled as a Loyalist. He came from Schnectedy, New York in 1784.247

U.S. and Canada, Passenger and Immigration Lists Index, 1500s-1900s
passenger lists
Record information.
Name
Jacob Bastedo
Other
Bastedo, Jacob
Arrival
1796 Canada

Jacob Bastedo received a land grant, Cataraqui, 4 July, 1785
Married Jan 31 1769.293

Jacob Bastedo Family
Posted by: Dale T Alexander
Message:
I don't have much on the family but here are the children of Jacob and Clara:
Jacob Bastedo b c1743 Schenectady NY; d 1829 Stamford Tp, Welland Co ON md 31 Jan 1769 Stone Arabia, Tryon Co NY Clara Jean Van Slyck b/bapt 27 Aug 1749 Schenectady NY; d 3 Apr 1808 Halton Co ON
David Tice Bastedo bapt 3 Dec 1769 Schenectady NY; d 1854
Elizabeth Bstedo b 15 Dec 1770; bapt 23 Dec 1770 Schenectady NY
Ackus Bastedo b 14 Jan 1772; bapt 12 Sep 1772 Schenectady NY
Louis Bastedo b 8 Oct 1773; bap 3 Oct 1775 Schenectady NY
Gysbert/Gilbert Bastedo b 9 Sep 1775; bapt 3 Oct 1775 Schenectady NY
Gysbert/Gilbert Bastedo b 5 Oct 1777; bapt 19 Oct 1777 Schenectady NY; d 8 Feb 1865 Nelson, Halton Co ON
Joseph Bastedo b 9 Nov 1779; bapt 30 Apr 1780 Schenectady NY; d 5 Jul 1814 Chippewa, Welland Co ON
Abraham Bastedo b 1784 Stamford Tp, Welland Co ON
Cornelius Bastedo b 31 Aug 1787 Schenectady NY (); d 22 Feb 1813 Prescott, Grenville Co ON
John Bstedo b c1792 Stamford, Welland Co ON

Hope this is of some help. You can reach me at
dta@direct.ca