I made a mistake in the 1930 Census--John & Sula were living with Burnie & family--not William. According to that census, Burnie & Anbie had 4 children--William b. 1918, James b. 1921, Elmo b. 1924 & Edna b. 1927.
John & Sula's youngest daughter was named Bernice & she was b. 1915. 1920 Census Dyer TN, William & wife Lena were next door to John & Sula.
According to Census records John & Sula's children were: Bertnie (?) b. 1894 Bernie b. 1896 William R b. 1898 Horace b. 1903 Ivory (male) b. 1904 Clarett b. 1906 Lera b. 1908 Niles b. 1910 Ruby b. 1911 Bernice b. 1915.
As to the Cherokee part--I was raised believing my great grandmother was Cherokee--heard stories of them living on the reservation in OK, etc. Turns out--they did live on the reservation as did hundreds of others who weren't Native American. There was not a drop of Indian blood in them. Where & why these stories are told is a mystery to me---I think at one time it was "in" to be Cherokee. Unless the person was registered as Native America and on the rolls, there is no way to prove their blood lines. A lot of women who married white men did not want others to know she was Native American and so they never registered. One good place to look is "Access Genealogy". It is a free site and has more Indian information than any of the others that I've seen.