Some family trees are lucky enough to have not only one celebrity, but several. Take a look at some famous celebrity siblings.
Actors Maggie and Jake Gyllenhaal, who both starred in "Donnie Darko" and count movies such as "Secretary," "The Dark Knight" and "Crazy Heart" and "October Sky," "Brokeback Mountain" and "Source Code" on their respective resumes, are seen here walking the red carpet together at the 2010 Oscars.
St. Louis County
iStock / evgenyb
Columbia Pictures Television
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