1. The Kardashians - Or as I like to call them Kim and company. This group of siblings is definitely the most topical. Kylie has built a cosmetics empire, Kim is married to Kanye and is following in her fathers footsteps as an attorney. Courtney has dated all the wrong guys and then there's the other one who is also on The Kardashians" tv show.

Cosmopolitan Magazine's 50th Birthday Celebration
Jon Kopaloff, Getty Images
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2. The Sheen's - Martin Sheen fathered both Charlie Sheen and Emilio Estevez. I know different last names, Charlie uses his dad professional last name and Emilio uses his real last name. Charlie has also used every drug know to man but I digress...  lol.

Charlie Sheen
Paramount/Theo Wargo, Getty Images
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3. Ashley Olsen, Elisabeth Olsen and Mary Kate Olsen. In the immortal words of Kanye West:

Prince William's ain't do it right if you ask me
'Cause I was him I would have married Kate and Ashley

Of course they're famous for so much more than that but that's my favorite Olsen line.

Mary Kate and Ashley Olsen
Newsmakers/ Larry Busacca, Getty Images
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