I am researching this line also. I am descended through Alexander Martin Witherspoon. The following is a list of James R. Witherspoon's siblings and father. Hope this helps. pneiman
1. Harrison1 WITHERSPOON was born in 1784. He died in 1849 in Gibson County, Tennessee. · In 1813 he appeared on a tax list in Rutherford County, Tennessee. · He began military service on 20 Jul 1814 in Rutherford County, Tennessee; when he enlisted for service in the War of 1812. · On 17 Jul 1817 in Rutherford County, Tennessee, listed as a jury member. · On 11 Oct 1839 in Gibson County, Tennessee, Harrison Witherspoon appeared in a Deed of Trust to Absalom Carnes. He put up 25 acres of land, some stock and crops stating, he was indebted to Joseph Witherspoon - hopes to pay him on 25 Dec 1839 the $60 he owes him. (DB G:90-91).
The eight known children of Harrison1 Witherspoon and an unknown spouse were as follows:
2 i. Susan WITHERSPOON was born between 1800 and 1810. She married John D. Robbins on 3 Nov 1829 in Gibson County, Tennessee.
3 ii. William F. WITHERSPOON was born in 1808 in North Carolina. He married Mahala Mathis circa 1836.
4 iii. James R. WITHERSPOON was born in 1810 in North Carolina. He married America Barnes in 1838 in Gibson County, Tennessee.
5 iv. Thomas M. WITHERSPOON was born circa 1812 in Tennessee. He married Abigail Roena McKelvy on 23 Jan 1838.
6 v. John W. WITHERSPOON was born circa 1814 in Tennessee. He married Susan (____) circa 1844.
7 vi. Joseph WITHERSPOON was born circa 1816 in Tennessee. He married Emily Renfro on 21 Dec 1843 in Gibson County, Tennessee.
8 vii. Alexander Martin WITHERSPOON was born circa 1820 in Tennessee. He married Kesiah Frances Moore on 23 Mar 1841 in DeSoto Co., Mississippi.
9 viii. Elizabeth WITHERSPOON was born circa 1826 in Tennessee. She married David Penn circa 1843 in Mississippi.