I show Nancy Addy as the daughter of James (son of William I):
JAMES ADDY (WILLIAM) was born May 03, 1796 in Jefferson Co., WV, and died June 12, 1875 in Ross Co., OH.He married REBECCA WARDEN November 19, 1818 in Ross Co., OH.
Children of JAMES ADDY and REBECCA WARDEN are:
i. ELIZABETH ADDY, b. Sandusky, OH; d. Guernsey Co., OH.
ii. JANE ADDY, b. Sandusky, OH; d. Sandusky, OH.
iii. MAHALA ADDY, b. Guernsey Co., OH; d. Guernsey Co., OH.
23. iv. JOHN WARDEN ADDY, b. 1819, Guernsey Co., OH; d. August 16, 1876, Ross Co., OH.
24. v. HUGH CLARK ADDY, b. February 04, 1820, Guernsey Co., OH.
vi. ELLEN ADDY, b. 1824, Sandusky, OH; d. Ross Co., OH; m. (1) SAMUEL WILT, September 12, 1847, Ross Co., OH; m. (2) ALLEN JOHNSON, 1875.
vii. ISAAC ADDY, b. Abt. 1825, Sandusky, OH; d. December 08, 1895, Imogene, IA; m. MARY ANN TORPZ.
viii. GEORGE ADDY, b. October 05, 1828, Roane Co., NC; d. March 11, 1867, Coshocton Co., OH; m. MARY ANN BISHOP, February 18, 1859, Ross Co., OH.
25. ix. MARY ANN ADDY, b. December 14, 1828, Sandusky, OH; d. January 18, 1903, Oakland, IA.
x. WILLIAM ADDY, b. 1830, Ross Co., OH; d. Bef. June 1875, KS; m. ELIZABETH O'BRIEN, Pike Co., OH.
xi. SUSANNAH ADDY, b. 1830, Guernsey Co., OH; d. Nebraska City, NE; m. SILAS W MONTGOMERY.
xii. NANCY ADDY, b. 1830, Ross Co., OH; d. Mills Co., IA; m. HENRY HARRISON FINLEY, OH.
Hope this helps.