Looking for Hilliard Relatives

I am searching for descendants of my aunt Ruby (Williams) Hilliard, she married Rev. William E Hilliard 1920 in Decatur, Illinois.Their children are:Dorothy Pauline Hilliard last known city of residence Seattle (as of 1997), Wilma Hilliard Jenkins Decatur, Illinois, Mary Hilliard Jones Buckley Washington as of 1997, and the Rev. Charles E Hilliard Clare Michigan as of 1997.Ruby died in Clare Michigan 1997.Thanks Kelly Zinn.