+———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      |  +———Elias H. Longman (3 Apr 1862 Hagerstown, Washington Co, MD – 18 Mar 1946 Hagerstown, Washington Co, MD)  |   |      |   +———Rebecca Holtzman (29 Jun 1825 MD – 20 Aug 1883 Frederick Co, MD)  |      Carrie Grace Longman (7 Feb 1887 Polo, Ogle Co, IL – 7 Aug 1974 Byron, Ogle Co, IL)  |              |       +———John Baker  |       |  |   +———James Hiram Peter Baker (1824 Washington Co, MD – )  |   |   |      |   |   +———Mary Specher  |   |  +———Saebert E. Baker (22 Jun 1865 Franklin Co, MD – 11 Mar 1899 Ivester, Grundy Co, IA)      |          +———Elizabeth Unknown