I know he had one wife , which he was divorced from Shirley Louise Waiter 28 May 1939
died 10 Dec 2006. Number of kids with this wife is
Lewis Edwin Willis Jr.
Jessie Perry Willis
Jimmie Lee Willis
David Daniel Willis
Roger Allen Willis
Amanda Louise Willis
all children are alive except Roger Allen which died as in infant in detroit . Rumor has it Lewis Edwin Willis was born in North Carolina, but I have not been able to confirm what location.
I dont have the names of his parents or number of siblings.