+———William Sadler (1799 MD – )          |      +———John Sadler (15 Sep 1828 OH – 17 Feb 1896)      |   |          |   +———Elizabeth Unknown (1801 MD – )      |  +———James F. Sadler (1862 IL – 1945)  |   |      |   +———Elizabeth Coddington (14 May 1833 OH – 12 Dec 1901)  |      Oscar R. Sadler (1883 Pine Creek Twp, Ogle Co, IL – 1949)  |              |       +———John Peter Nettz (1771 Germany – )  |       |  |   +———Jacob Nettz (24 May 1813 MD – 18 Nov 1898)  |   |   |      |   |   +———Ellander Unknown ( – 30 Sep 1859 Washington Co, MD)  |   |  +———Alice Nettz (1862 IL – )      |          +———Ruhanna Luema Drenner (27 Sep 1818 MD – 19 Jan 1905 Ogle Co, IL)