“A Biographical History of Lancaster Co. Being a History of Early Settlers and Eminent Men of the County” by Alex. Harris, 1827 Lancaster, Pa.: Elias Barr & Co., 1872
Pg. 202, FAHNESTOCK FAMILY.The FAHNESTOCKS are descended of one DIETRICH FAHNESTOCK, who came from Prussia in the year 1724.He had seven sons, viz.: CASPER, PETER, DIETRICH, JOHN, BENJAMIN, DANIEL, and BORIEUS; of the two latter no record can be found.BENJAMIN had two sons, GEORGE and DIETRICH, from whom the druggists of Pittsburgh have descended.JOHN had two sons, JACOB and HENRY.DIETRICH, who was a physician, had three sons, SAMUEL, DANIEL and JOHN, who were all physicians.CASPER had three sons, CHARLES, DIETRICH and DANIEL.PETER had five sons, SAMUEL, OBED, PETER, CONRAD and ANDREW; the latter has been a Seventh-day Baptist minister, living at times at Antietam, and latterly at Ephrata.CONRAD was a printer, and published a paper at Harrisburg.He had but one son, PETER, who resides at present at Ephrata.PETER has three sons, SAMUEL and REUBEN, both residing in Ephrata Twp., and JOHN, residing in Ohio.
There are FAHNESTOCKS residing in Lancaster, and also in Lebanon Co., who are no doubt descendants of the same family.
Pg. 202, DR. SAMUEL FAHNESTOCK, a leading physician of Lancaster for many years.He practiced medicine in Lancaster for nearly 40 years.(pg. 203) His practice, for many years, extended far beyond the limits of Lancaster Co.He died Dec. 8, 1836, in the 73rd year of his age.
Pg. 203, WILLIAM M. FAHNESTOCK, was a man somewhat fond of antiquarian research.In 1835 he published a historical sketch of Ephrata, together with a concise account of the Seventh-day Baptists.