+———Johann John Langmann (1749 Hesse-Darmstadt, Germany – 2 May 1838 Rohrersville, Washington Co, MD) | +———Jacob Longman (24 Oct 1787 Washington Co, MD – 8 Aug 1871 Frostown, Frederick Co, MD) | | | +———Eve Unknown (1758 Washington Co, MD – ) | +———George Longman (6 Sep 1818 Frederick Co, MD – 7 May 1882 Frederick Co, MD) | | | | +———Jacob Werenbaker | | | | +———Susan Wertenbaker (23 Jan 1787 MD – 9 Jun 1869 Frederick Co, MD) | | | +———Elizabetha Unknown | +———Charles E. Longman (25 Dec 1868 Frederick Co, MD – 3 Dec 1904 Pine Creek Twp, Ogle Co, IL) | | | +———Rebecca Holtzman (29 Jun 1825 MD – 20 Aug 1883 Frederick Co, MD) | Arba Longman | +———Susan M. Eisenberg (Aug 1872 PA – 1903 CA)