SHAZZZ on Family Tree Circles

I am looking for the parents of SAMUEL WALKER born June 07,1807 in North Carolina or Virginia. He married Nancy Cundiff, she was born Aug. 1805 in Prince Wm. Co. Virgina. Samuel died in 1868 and Nancy died in 1874. They were married May 15,1831 in Muhlenberg Co., Kentucky. From what I have found so far is that they had (13) children.

JOHN WILLIAM b. may 6,1832
NANCY ANNE b. may 6,1832
FRANCES ELIZABETH b. sept. 6,1833
SARAH JANE b. feb. 20, 1835
MARY ELLEN b. feb. 21, 1836
GEORGE ALFRED b. feb. 4, 1837
JAMES W. b. april 2, 1838
SAMUEL AUSTIN b. oct 10, 1839 in Cedar twn. IOWA and died FEB. 1909 in Mahaska Co. IOWA.
LUCINDA E. b. march 23, 1841
ELIJAH b. july 1, 1842
MARTIN LUTHER b. april 3, 1844
CRYUS S. b. july 1, 1846
BARNETT S. b. oct. 23, 1849

Information needed who were SAMUEL WALKERS parents.