My grandmother, Hazel Moote, was not legally adopted by the Davis family. Her mother, Fannie Horton Moote, died a week after giving birth to my grandmother. Zero didn't know what to do with a newborn baby, so he let his next door neighbors raise Hazel. He married Belle Dawson in Washington, D.C. in 1904, and she came out to Delhi Township, Kansas. Zero and Belle lived in Kansas until 1910, and he left for San Antonio or Sulphur Springs, Texas.
I do know a few cousins from Mabel Moote Pyrun. I don't know if your father knew about Hazel being raised by another family.