YOLO COUNTY, CALIFORNIA. I am searching for the family of DAVE THETFORD, born in Cashion, Maricopa County, Arizona on May 2, 1905, and found in the Social Security Death Index. He died September 1978 and lump sum payment sent to Woodland,California, but no name.He is my UNCLE.My father Roy, born October 2, 1910 and died September 5, 1933. They had a sister, Ethel, who was adopted by someone.I don't know what happened to their father, but when the mother became ill, she gave up her children.Her name was Mary Ross Thetford and the father was Alan Thetford.They lived with her parents, George and Agnes Ross, in Cashion, Arizona.This is my birh family and I want to find them!Any information will be greatly appreciated. My father was taken in, but not adopted, by Charles and Tina Bouton and that is the name on my birth certificate, but I am really a Thetford.