The Ralph Kenneth Johnson's of Marshall, MI

I am searching for My Fathers relatives that would live in the Battle Creek, Michigan area. His Name is this homepage name.
Known facts that his father's Name is Maurice and he had a Brother Glen. Maurice went by the nick name Burr. Ralph my father was married to Charliene Ackley then to Donna Jean Medoff.My Father Had 3 children with Charliene , Laurie (Pam), Glen, and Myself Dolli
It is possible my father may have had other children we are not aware of. My Fathers mother's name Was Ethel VanVleet and she died sometime in December of 1965. Please if you are aware of any relatives that would know of My father and are related please feel free to contact me. It would be greatly appreciated