+———William M. Miller (1820 – )  |      Henry Miller (1849 – )  |              |       +———Herman Henrich Clopper  |       |  |   +———John Clopper Sr. (8 Oct 1772 – 13 Jun 1852 Rohrersville, Washington Co, MD)  |   |  +———Rebecca Clopper (1824 – )      |              |   +———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 – )