Notes for Dirck Gerritsz Keyser: The Book " The Genealogy of the Keyser Family " written in 1888 by Charles S. Keyser states Dirk Gerrits Keyser was a manufacturer in Amsterdam.
Children of Dirck Gerritsz Keyser and Cornelia Govertsz Van Den Wyngarert are:
+Dirck Corneliesen Keyser, b. 1635, Amsterdam, Netherlands, d. November 30, 1714, Germantown, Philadelphia, Pennsylvania.
Anneken Keyser, d. June 17, 1681, Amsterdam, Netherlands.
Gerrits Dirck Keyser, b., Amsterdam, Netherlands, d. date unknown, Amsterdam, Netherlands.
Tobias Dirck Keyser, b., Amsterdam, Netherlands, d. September 18, 1655, Amsterdam, Netherlands.