One source says he had 7 children with a second wife. The Robertson County, TN marriage records do show John Webb marrying Cornelia Terrill in 1862
2668 but there are too many John Webb’s to make a connection based on that since I am suspicious of this list. Here is the info:
2576 (2) Cornelia Webb (AFN:1TR1-SX6) b.21 May 1844 d.17 Jun 1897 marr.c1863
children:1. Elizabeth T. Webb (AFN:1TR1-SZD) b.c1864
2. Ellen Webb (AFN:1TR1-T0K) b.c1866
3. Margaret E. WEbb (AFN:1TR1-T1R) b.c1868
4. Samuel S. Webb (AFN:1TR1-TZ0) b.c1870
5. James Webb (AFN:1TR1-T36) b.c1873
6. John M. Webb (AFN:1TR1-T4D) b.c1876
7. George Webb (AFN:1TR1-T5L) b.c1877