I am not getting any further than this. Can anyone help.

Alvin W. (wade?) McAlister--- died March 26, 1946 at age of 52 in McCracken Kentucky
Married Virginia W. (unknown surname) born 11/18/1907- died 09/24/1976.
They had Three children -- sunny(nickname) Mcalister; Charles Mcalister born 1940 unknown if alive he had 2 children one girl born approx. 1971 and Michael born approx. 1975; and my father Clifford Eugene McAlister(born 1/14/1945- died 3/27/1989)
My father married Cindy Bassett and have two children Shane Colin McAlister born 1971 and Myself Shannon Colleen McAlister born 1975.
I am looking for any info on my fathers brothers or anything about his parents or family