1988 was a good year for this actress; she won a best supporting acting oscar & her cousin ran for president
[DOC] [TLE] Oscar-winning former child star Patty Duke dies, age 69 - USA Today [PAR] Mar 30, 2016 ... As a teen she won an Oscar for playing Helen Keller in 'The Miracle Worker' ... 
Worker and later played "identical cousins" in her own TV sitcom, has died.