Johannes was born before 1772.
Records of the Dutch Reformed Church, New Hurley, Ulster County, N.Y., 1770-1864, Microfilm of handwritten transcript (215 p.) at the New York Genealogical and Biographical Society, New York City, Contains baptisms with birth dates, 1770-1851; members, 1825-1864; excerpts from consistoral journal including pastors, officers, etc., scattered from 1774 to 1854. Family Search Film # 008139188, p. 5 , image 6 of 220
1772 Sept. 19 Evert Roos, Geertjes Steenbergen. Johannes. Johannes Roos, Elizabeth Masten, his wife.
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