+———John Peter Nettz (1771 Germany – )      |  +———John A. Nettz (29 Jan 1809 MD – 3 Nov 1869 Washington Co, MD)  |   |      |   +———Ellander Unknown ( – 30 Sep 1859 Washington Co, MD)  |      Mary Ellen Nettz (1832 – 31 Jan 1854 Washington Co, MD)  |      +———Mary Unknown (20 Nov 1812 – 31 Dec 1843 Washington Co, MD)