From Ancestry.com Wiki
For Ada regarding James & Marie DeGraw of Sloatsburg NY: I am formerly Penny DeGraw. James & Marie were my parents, although James was not my birth father. Both parents are dead now. My brother, James lives in Alabama and my 2 sisters, Kathleen & Eileen (all are James' natural children) live in New York state. I have a 3rd half sister, Lisa, who lives in CA.