+———Johann John Langmann (1749 Hesse-Darmstadt, Germany – 2 May 1838 Rohrersville, Washington Co, MD)          |      +———Jonathan Longman (8 Jan 1806 Washington Co, MD – 5 Jan 1890 Keedysville, Washington Co, MD)      |   |          |   +———Eve Unknown (1758 Washington Co, MD – )      |  +———Elias Longman (1837 – )  |   |      |   +———Margaret Kretzer (8 Dec 1808 MD – 1 Mar 1881 Keedysville, Washington Co, MD)  |      Matilda Longman (1876 – )  |          |   +———Morris Saxton  |   |  +———Mary Saxton (1842 IN – )