Grigra Tribe
Grigra Indians, Grigras. A French nickname and the only known name of a small tribe all ready incorporated with the Natchez confederacy in 1720; it was applied because of the frequent occurrences of grigra in their language and ethnic relations, but unless affiliated with the Tonica, the tribe was evidently distinct from every other, since, as indicated by the sound grigra, their language possessed an r.