In the book "Descendants of GEORGE PHILIP DUDDRA or DODDERER (Spelling their Names in some 35 Diverse Variations) by Rev. WM. B. Duttera. Printed in 1934. Barbara Dudderer, 3rd daughter of Geo. Philip, was b about 1704, d 7-1738, m 2-13-1722, Jacob Markley. Children; Abraham, Philip, a daughter, Isaac M., Veronica, Rebecca M. Christiana M., Catherine M., Eleanor, Barbara, Hannah, and Elizabeth.