+———Frederick Rohrer (1 Apr 1792 – 16 Jul 1855 Rohrersville, Washington Co, MD)  |      Joshua W. Rohrer (14 Nov 1836 Rohrersville, Washington Co, MD – )  |          |   +———Conrad Thomas  |   |  +———Elizabeth Thomas (10 Jan 1801 – 1852 Rohrersville, Washington Co, MD)      |          +———Elizabeth Conn