Well, Sequoyah and his family headed out from North Carolina and migrated west. He died on his way south-westward, on a quest to find lost family members who lived westwards. The Cherokee legends speak of tribal members who lived west of traditional Cherokee Nation lands. They are very interesting legends, and involve the Mississippi cultures, the Anasazi, and even the Mayans of Central America, but I'll save space here.
So we know Sequoya headed out west, through Tennessee, then Alabama, then Mississippi, then southern Arkansas and eventually Texas.
I wonder if, along the way, Sequoyah's family, or near relatives, stayed in any of these states and intermarried.