+———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 – ) | Emory Martin Clopper (6 Jun 1858 – 10 Jan 1859 Rohrersville, Washington Co, MD) | +———Lydia Huffer (25 May 1824 – 2 Jul 1869)