+———Henry Schroeder ( – 1888 Wayne Co, IN)          |      +———Henry Schrader (8 Sep 1817 Washington Co, MD – 1 Mar 1902 Leaf River, Ogle Co, IL)      |   |              |   |   +———Johann John Langmann (1749 Hesse-Darmstadt, Germany – 2 May 1838 Rohrersville, Washington Co, MD)      |   |   |      |   +———Catherine Longman (bef 1799 Hagerstown, Washington Co, MD – )      |       |          |       +———Eve Unknown (1758 Washington Co, MD – )      |  +———Thomas J. Schrader (2 Aug 1844 IL – 4 Dec 1879 IL)  |   |          |   |   +———David Iler  |   |   |  |   +———Mahalia Iler (2 Aug 1821 Sharpsburg, Washington Co, MD – 10 Aug 1901 Leaf River, Ogle Co, IL)  |       |      |       +———Mary Harmon  |      Ida Jane Schrader (Jul 1869 IL – Jan 1907)  |      +———Louisa Unknown (1847 PA – )