Who was the first non-colonial governor of Louisiana and the brother of Nathaniel Claiborne?
Nathaniel Claiborne:  He was the brother of William Charles Cole Claiborne, the nephew of Thomas Claiborne, the uncle of John Francis Hamtramck Claiborne and the great-great-great granduncle of Marie Corinne Morrison Claiborne Boggs and Claiborne de Borda Pell. William C. C. Claiborne: William Charles Cole Claiborne (c.1773-75 – 23 November 1817) was a United States politician, best known as the first non-colonial Governor of Louisiana.
William Charles Cole Claiborne