<Tr> <Th> First cousins </Th> <Td> Spencer Olson Shawn - Douglas Brady Zack Brady Ciara Brady </Td> </Tr> <Tr> <Th> Other relatives </Th> <Td> Tom Horton Alice Horton </Td> </Tr> <P> David Banning, most notably portrayed by Richard Guthrie (1975--1980) and Gregg Marx (1981--1983), is the son of Julie Olson (Susan Seaforth Hayes) and her late lover David Martin . </P> <P> David Martin, Jr. is born in January 1968 to Julie Olson (Catherine Ferrar) and he is immediately put up for adoption . The child is adopted by Scott Banning (Mike Farrell) and his terminally ill wife Janet (Joyce Easton) as Bradley Banning (Chad Barstad). Susan Martin (Denise Alexander) befriends the Bannings and often helps care for Janet and baby Brad . As Susan comforts Scott after Janet's death in early 1969, Julie (Susan Seaforth Hayes) discovers that Brad is the child she gave up and seduces Scott away from Susan . Though Julie and Scott marry in 1970, by 1971, she's fallen in love with Doug Williams (Bill Hayes) and plans to leave Scott but wants to make sure she can retain custody of David (Jeffrey Williams). As Julie is set to divorce Scott in 1972, she plans to elope with Doug and honeymoon in Portofino and wants to bring David along . However, Doug is not interested in parenthood and he spontaneously marries Julie's mother Addile Olson (Patricia Barry). After Scott's death in early 1973, Julie sends David off to military school . </P>

Who played david banning on days of our lives