I am JoAnne Teagarden, daughter of Joe and granddaughter of "Jelly" Teagarden. It seems the music runs thick in this blood line as most all of my family is in music. I am a decendent of Jack Teagarden. I believe he did have sioux bloodlines. My grand mother was married to "Jelly" Teagarden. I beleive my grandmother said that Jack was babtist. I will do my best to find out all that I can to help you out in your search!