Wilhelmus was born about 1783. He passed away in 1864.
https://familysearch.org/ark:/61903/1:1:V2C7-LJL "New York Births and Christenings, 1640-1962", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V2C7-LJL : 20 January 2020), Wilhemus Yager in entry for Sally Maria Yager, 1810.
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