+———Herman Henrich Clopper      |  +———John Clopper Sr. (8 Oct 1772 – 13 Jun 1852 Rohrersville, Washington Co, MD)  |      William Clopper (17 Jan 1822 – 12 Jul 1890)  |          |   +———Johann John Langmann (1749 Hesse-Darmstadt, Germany – 2 May 1838 Rohrersville, Washington Co, MD)  |   |  +———Susanna Longman (bef bet 1790 and 1800 Washington Co, MD – bef 10 Nov 1836)      |          +———Eve Unknown (1758 Washington Co, MD – )