Crawford Jennings Connection

From Book A, page 82, DAR Records: Last Will and Testament of Nathan Crawford 1763-1823

brother: 1. David Crawford, b. 10 Oct 1767, Amherst, VA d. 1821 Jasper, GA (David is approximately Nathan's age.)
2. Senator William Harris Crawford 1772-1834
3. Charles Crawford 1773-1824
4. Robert Crawford 1764-1882
5. Joel Crawford, Jr. 1766-1841
mother: Frances Harris Crawford 1746-1814
Nathan's will was witnessed by Nathaniel Barnett and William Barnett.

David Crawford 1767-1821 married Mary Lee Wood 1763-1855. Their son was Robert Harris Crawford, b. 8 May 1796, d. 28 May 1864. Robert married Mary Winn "Polly" Jennings. Polly was born 23 Jan 1800 in Edgefield, SC and died 24 Aug 1868 in Chicksaw, MS. Polly is the daughter of Robert B. Jnnings, Sr. 1764-1816 and Tabitha Lockhart 1778-1847.

Is there a connection between the Forter family and the Crawford and Jennings families.