+--William Bartlow  (23 JUL 1784-6 AUG 1854)
   +--Ira Bartlow  (1820-15 OCT 1894)
   |  |           +--George Spangenberg  (JAN 16 A.D.-1710)
   |  |        +--John William Spangenberg  (26 JAN 1699-JAN 17 A.D.)
   |  |        |  +--Elizabeth Neses  (JAN 16 A.D.-1708)
   |  |     +--John August Spangenberg  (JAN 17 A.D.-JUN 1787)
   |  |     |  |  +--Heinrich Schenckel  (JAN 16 A.D.-JAN 16 A.D.)
   |  |     |  +--Susanna Schenckel  (JAN 16 A.D.-JAN 17 A.D.)
   |  |     |     +--Anna Margareth (Schenckel)  (JAN 16 A.D.-JAN 16 A.D.)
   |  |  +--Frederick Carl Spangenberg  (26 JAN 1739-SEP 1788)
   |  |  |  +--Illsa Catherine Spiel  (JAN 16 A.D.-JAN 17 A.D.)
   |  +--Margaret Spangenberg  (2 DEC 1788-3 FEB 1863)
   |     |  +--Henry Schenckel  (JAN 16 A.D.-JAN 17 A.D.)
   |     +--Susanna Shenkle  (1737-1788)
   |        +--Ann Margaret (Schenckel)  (JAN 16 A.D.-JAN 17 A.D.)
+--David Levi Bartlow  (31 MAR 1856-22 FEB 1928)
|  +--Julia Ann Neufer  (3 JUN 1818-14 AUG 1888)
Harriet E. Bartlow  (12 JAN 1881-)
|        +--John P. Derr  (JAN 17 A.D.-JAN 17 A.D.)
|     +--John Peter Derr  (2 JAN 1788-18 NOV 1866)
|  +--Peter Derr  (27 JUN 1815-28 SEP 1889)
|  |  |                 +--Jan VonBorculo  (BEF 1660-JAN 16 A.D.)
|  |  |              +--Harmen Jans VanBorculo  (JAN 16 A.D.-JAN 16 A.D.)
|  |  |              |  +--Jannet   (JAN 16 A.D.-JAN 16 A.D.)
|  |  |           +--William Hermnese VanBarkelow  (JAN 16 A.D.-JAN 17 A.D.)
|  |  |           |  +--Willempje Warmers  (ABT 1635-ABT 1697)
|  |  |        +--Jacques (James) Barkelow  (ABT 1700-ABT 1780)
|  |  |        |  |  +--Jacquas Cortelyou  (1625-1693)
|  |  |        |  +--Martha Cortelyou  (ABT 1669-ABT 1721)
|  |  |        |     +--Neltje VanDine  (1635-1693)
|  |  |     +--Barrnt (Barnett) Barkelow  (24 MAY 1730-1805)
|  |  |     |  +--Jannetje (Jane) Bernjtsen  (ABT 1705-AFT 1780)
|  |  |  +--Cornelius Bartlow  (4 NOV 1760-4 DEC 1833)
|  |  +--Ann Bartlow  (28 DEC 1793-21 DEC 1882)
|  |     |  +--John Shamp  (JAN 17 A.D.-JAN 17 A.D.)
|  |     +--Catherine Jane Shamp  (1770-2 APR 1839)
+--Sarah Emma Derr  (17 JUL 1852-22 SEP 1921)
   +--Elizabeth Fague  (12 NOV 1824-18 DEC 1899)