Ratay-Johnstone Ancestors - Person Sheet
NameGerrit A. POST 
Birth4 Feb 1760, Passaic County, New Jersey
Deathaft 1850
Spouses
Birth19 Jan 1777, Bergen County, New Jersey
MemoFamilySearch tree
Marriage5 Sep 1795, Acquackanonk Reformed Church1754
Notes for Gerrit A. POST
This seems to be confirmed by multiple DNA matches to descendants of Cornelius G. Post.