John Henry Hofmann b. 18 Jan 1724 is the son of the first wife of John Hofmann, Anna Katharine Haeger, not the second wife, Maria Sabina Charlotta Barbara Volck.
Sources: Holtzclaw, B. C., "Germanna Record No. 3: John Hoffman--Germanna Colonist." Culpeper, Virginia, The Memorial Foundation of the Germanna Colonies in Virginia, Inc., 1963, p. 7.
Wayland, John W. “John Hoffman of Germanna and Some of His Descendants.” The Virginia Magazine of History and Biography, vol. 63, no. 4, 1955, pp. 454–460.
Barbara Price, Trustee/Genealogist
Germanna Foundation