Thomas Seawell was born about 1763, in Warren, North Carolina, United States, his father, Colonel Benjamin Seawell, was 63 and his mother, Lucy Hicks, was 43. He married Mary Brown about 1800, in Sumner, Tennessee, United States. They were the parents of at least 6 sons and 3 daughters. He lived in Gallatin, Sumner, Tennessee, United States in 1820. He registered for military service in 1783. He died about 1825, in Virginia, United States, at the age of 62.
https://ancestors.familysearch.org/en/KNH5-Q9C/thomas-seawell-1763-1825