Who was Sally Ann Morrison Douglas in My Three Sons?

Sally Ann Morrison Douglas, portrayed by actress Tina Cole, was a character on the television show "My Three Sons." She was introduced as the love interest and later wife of Robbie Douglas, the second son in the series. Sally Ann appeared in several episodes, adding a new dynamic to the family as she navigated life with the Douglas family. Her character contributed to the show's themes of family and relationships during its run in the 1960s and early 1970s.