+———A. D. Clark      |  +———Frank D. Clark (1856 Flagg, Ogle Country, IL – )  |   |      |   +———Malinda Biggers  |      Floyd Clark (19 Jul 1888 – 26 Nov 1968)  |              |       +———John Cross (17 May 1804 Huntington Co, PA – 14 Apr 1886 Ogle Co, IL)  |       |  |   +———Daniel Levi Cross (22 Mar 1834 Coshocton Co, OH – 7 May 1921 Rochelle, Ogle Co, IL)  |   |   |          |   |   |   +———Edmund Hardesty (24 Sep 1766 All Hollows, Anne Arundel Co, MD – 6 Feb 1864 Ogle Co, IL)  |   |   |   |  |   |   +———Sophia Hardesty (25 Jul 1806 Anne Arundel Co, MD – 19 Jun 1900 Ogle Co, IL)  |   |       |      |   |       +———Ruth Chaney (1768 All Hollows, Anne Arundel Co, MD – 1855 Coshocton, OH)  |   |  +———Emily R. Emma Cross (28 Jul 1860 Flagg, Ogle Country, IL – 2 Mar 1927)      |              |   +———Elijah Cooley (1821 PA – )      |   |      +———Lucy Cooley (23 Jan 1842 Ogle Co, IL – 20 Nov 1907)          |              +———Louisa Rathburn (1823 NY – )