+--Heinrich BACH  (1587-)
               +--Johannes BACH  (ABT 1610/1615-AFT 1667)
               |  +--Mrs. Elisabeth BACH  (1591-)
            +--Johannes BACH  (1649-6 MAR 1694)
            |  +--Mrs. Enga BACH  (1612-)
         +--Johannes BACH  (4 DEC 1674-6 DEC 1748)
         |  +--Maria HERLING  (23 APR 1646-28 JAN 1697)
      +--Hermann BACHE  (13 MAY 1708-1799)
      |  |     +--Antonio KRAY-KRAI  (ABT 1618-)
      |  |  +--Johannes KRAY  (12 FEB 1644-21 MAR 1713)
      |  |  |  +--Mrs. Anna KRAY-KRAI  (ABT 1622-)
      |  +--Anna Magretha KRAY  (13 AUG 1676-21 MAR 1713)
      |     |     +--Conard CRUETZ  (ABT 1600-)
      |     |  +--Rorich CRUETZ  (ABT 1622-)
      |     |  |  +--Mrs. Conard CRUETZ 
      |     +--Gela CRUETZ  (19 MAR 1648-14 APR 1699)
      |        |  +--Michael NUSS  (ABT 1600-)
      |        +--Elsbeth NUSS  (ABT 1622-6 MAR 1683)
      |           +--Mrs Michael NUSS 
   +--John BACK  (ABT 1738-1793)
   |  +--Anna Margrethe HAUSMAN  (13 MAR 1712-)
+--Jacob BACK  (9 MAR 1764-JAN 1840)
|  |     +--Johannes HOFFMAN  (17 JUL 1663-10 MAY 1737)
|  |  +--John HOFFMAN  (8 MAY 1692-)
|  |  |  +--Gertrude REICHMANN  (ABT 1666-)
|  +--Margaret HOFFMAN  (27 NOV 1748-)
|     +--Maria Sabina Charlotta Barbara VOLCK  (19 MAR 1709-)
Thomas W. BACK  (1795-23 SEP 1865)
|  +--John LLOYD  (ABT 1735-)
+--Sarah LLOYD  (1765-26 NOV 1844)
   +--Mrs. John LLOYD