+———John Eli Palmer (Apr 1828 MD – )  |      Joseph S. Palmer (1872 MD – )  |              |       +———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 – )  |   |  +———Rosanna Longman (15 Nov 1828 MD – 9 Jan 1902 MD)      |              |   +———Jacob Werenbaker      |   |      +———Susan Wertenbaker (23 Jan 1787 MD – 9 Jun 1869 Frederick Co, MD)          |              +———Elizabetha Unknown