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And the Wiki says…

Joely Fisher (born October 29, 1967) is an American actress.

She was born in Burbank, California, the daughter of singer Eddie Fisher and actress Connie Stevens. Her younger sister is actress Tricia Leigh Fisher. Her older half-sister and half-brother are actress Carrie Fisher and Todd Fisher, whose mother is actress Debbie Reynolds.

Her parents divorced when she was age two and she was raised by her mother. She was unaware that she had any other siblings until sometime after watching Star Wars (1977), when she was told that the actress starring as Princess Leia Organa was her half-sister.

Joely Fisher also starred on Lifetime’s Wild Card as Zoe Busiek and made several appearances on Desperate Housewives as Nina Fletcher.

Fisher stars as the onscreen wife of former Everybody Loves Raymond actor Brad Garrett in the half-hour Fox comedy ‘Til Death. [Wiki]