This is what we have in our source, The Fahnestock Genealogy, by H. Minot Pitman.
Descendants of George Martin Hambright Fahnestock, Sr. Generation No. 1 1.GEORGE MARTIN HAMBRIGHT9 FAHNESTOCK, SR.(THOMAS GREEN CLEMSON8, WILLIAM BECKER7, SAMUEL6, DIEDRICH5, JOHAN DIEDRICH4 FAHRENSTUCK, LIBORIUS (BORIUS)3, WENNEMER2, PETER1)1 was born October 18, 1875 in Cincinnati, OH.He married LILLIAN HARPER1 February 26, 1921 in Miami, FL2, daughter of ROBERT HARPER and ZULAH CHAILLE.She was born March 03, 1893 in Ocala, FL. More About GEORGE FAHNESTOCK and LILLIAN HARPER: Marriage: February 26, 1921, Miami, FL2 Children of GEORGE FAHNESTOCK and LILLIAN HARPER are: i. MARY CAROLYN10 FAHNESTOCK, b. 1922. ii. LILLIAN-MARTHA FAHNESTOCK, b. 1923. iii. GEORGE MARTIN HAMBRIGHT FAHNESTOCK, JR.3, b. 1926. Endnotes
1.H. Minot Pitman, The Fahnestock Genealogy,(Privately Printed 1945, The Rumford Press, Concord, N.H.), p. 248.