Johannes Hammann (d.22 Apr 1686) and his wife Anna (d.7 Jun 1691) lived in Lachen, fifteen miles west of Speyer on the Rhine after the Thirty Years War. Five of their children appear in the records of the Reformed Church at Lachen-Speyerdorf. Several families of Hammann's lived in Lachen at that time, and several older Hammanns died (Peter, died in 1688, age 84; Otillie, widow of Hans died in 1689, age 85; Paul Hammann of Duttweiler, son of Diebold, deceased, was married in 1671) but the records do not indicate any relationship between them. Johannes and Anna had 5 known children:

1. Peter Hammann (Mar 1656 - 12 Sep 1726) m. Anna Maria Müller
2. Johannes Hammann (Jan 1661 - 1 May 1713) m(1) Johannetta Elisabeth Maurer, m(2) Gertruda Lany and lived at Mechenheim
3. Johann Jacob Hammann (28 Aug 1664 - Sep 1665)
4. Anna Catherina Hammann (7 Feb 1666) m. Johann Nickel Freitag
5. Johann Georg Hammann (10 Jan 1669 - 5 Sep 1736)

Johann Georg Hammann (10 Jan 1669 - 5 Sep 1736) lived at Lachen, confirmed Easter 1684. He m.3 Dec 1692 Anna Margaretha Rohtt (17Nov1672-24Dec1693), then m.5 Apr 1694 Anna Margaretha Meess (19 May 1672 - 20 Mar 1755)

Anna Magaretha was the daughter of Stephan Meess (c.1640-26Jul1728) son of Heinrich and Catherine Meess of Klingemünster. Stephan mmarried 30May1665 Anna Margarethe Schuster (1644 - 23 Jan 1718) of Lachen, daughter of Hans Matheus Schuster

1. Anna Maria Hammann (8 Apr 1696) m. Adam Sauter
2. Clara Hammann (19 Feb 1698)
3. Gertruda Hammann (19 Oct 1703)
4. Johann Jacob Hammann (18 Apr 1706) m. Anna M. Klamm
5. Anna Margaretha Hammann (13 Jun 1707)
6. Johann Friedrich Hammann (11 Nov 1708 - 1710)
7. Anna Barbara Hammann (27 Jun 1711) m. Heinrich Kreiter
8. Catherine Barbara Hammann (17 Aug 1714 - 1749) m. Johann Peter Hammann, son of Heinrich

Johann Jacob Hammann was born at Lachen 18 Apr 1706, and confirmed at Easter 1721. He was married 24 Jun 1732 at Duttweiler to Anna Margaretha Klamm. (b. 8 Sep 1711) daughter of Stephan Klemm. There was a Jacob Hamman who arrived in Philadelphia on the Edinburgh on 15 Sep 1749, but evidence suggests that was a Jacob Hamman in a group from Ruschberg near Baumholder. But our Jacob did arrive about that time, possibly in company of his cousin Georg Meess. But Jacob settled in Lancaster Co, PA, by the fall of 1750, and appears on the tax list of Cocalico Township in 1751. Anna Margaretha apparently died about 1753, as Jacob and new wife Maria Dorothea appear in Hannover, York County, in 1755.

Anna Margaretha was the daughter of Stephan Klamm (c.1680-30 Dec 1750) son of Hans Jacob Clamm of Schifferstadt near Speyer. Stephan married at Duttweiler on 3 Feb 1707 Catherine Zollinger (d.7 Oct 1752) daughter of Jacob Zollinger of Duttweiler (d.2 Aug 1699)

1. Johann Peter Hammann (9 Apr 1733 - 1787)
2. Anna Elisabetha Hammannn (17 Sep 1735)
3. Philipp Lorentz Hammann (27 Oct 1737 - 1794) married Elizabeth, Washington Co, MD
4. Georg Michael Hammann (4 Jan 1741 - May 1741)
5. Georg Michael Hammann (25 Mar 1742 - 1791) m.1764 Catherine Elisabetha Streher,
. . Shenandoah Co, VA
6. Johann Paul Hammann (8 Aug 1745 - 1789) m.1775 Veronica "Franey" Groh, Shenandoah Co, VA
7. Anna Catherine Hammann (18 Mar 1748) married Henry Miller of Frederick Co, MD
8. Johann Jacob Hammann (Sep 1750 - 1824) m.1774 Anna Hottel, later settled in Trumbull Co, Ohio
9. Anna Christina Hammann (1752-after 1816) m.1771 Henry Hottel, Rockingham Co, VA

Johann Paul Hammann was born in Lachen 8 Aug 1745, emigrated with his parents in 1749, and lived in Frederick (now Washington) County,Maryland, with his brothers until after he married Veronica "Franey" Groh about 1775. The first record of him in Shenandoah County is in 1783. He died in late spring 1789. Franey was the daughter of Matthias Groh, Sr (d.1771) and Anna Groff of Lebanon Co, Pennsylvania. She was born about 1755, remarried to Christopher Lindamood, and died about 1832.

1. Barbara Hamman (15 Jul 1776 - 14 or 1844) m.1795 Rudolph Rosenberger (1774-1846)
2. John Hamman (25 Jan 1778 - 12 Oct 1832) m.1805 Barbara Baker (1774-1850)
3. Margaret Hamman (11 Jan 1790 - 1814)
4. Michael Hamman (c.1782)
5. Paul Hamman (c.1784 - 1821)
6. Catherine Hamman (9 Mar 1786 - 9 Oct 1855)
7. Elizabeth Hamman (15 Oct 1788 - 10 Jan 1851)

Barbara Hamman (1776-1844) m.1795 Rudolph Rosenberger (1774-1846)

Asa Rosenbarger (1796-1875) m.1818 Rachel Pitman (1797-1874)

Leah Rosenbarger (1820-1884) m.1849 Jacob Stonecypher

Bertha Helen Stonecypher (1876-1950) m.1904 John Liptrap

Virgil Raymond Liptrap (1907-1977) m.1949 Frances Mary Tate Matthews

James Matthews Liptrap (1951)