Need help with family tree

Hello, I am the grandaughter of Floyd And Zepha Newvine. I'd like to know more about my grandmothers side of the family. The McCool family.
My grandmothers name:ZEPHA WANDA McCool
Zepha's Parents name: John and Ann McCool
Zepha's (only sibling) brother:Robert or Bob McCool. My grandmother said her family traveled alot cause of her fathers job. Grandma said she lived in Ohio,and Grand Rapids,Mi and then to Saginaw, michigan where she lived, got married and raised her family.I'd like to know about JOHN McCOOL AND WIFE ANN McCool. Thankyou!!!!!!!!!!!!