Some family trees are lucky enough to have not only one celebrity, but several. Take a look at some famous celebrity siblings, including birthday girl Maggie Gyllenhaal and her brother Jake.
Michael Jackson may have been the most famous Jackson, but he had plenty of famous siblings, including sisters LaToya and Janet, seen here with their brother during a lunch break at a pretrial hearing in his molestation case in Santa Maria, Calif., on Aug. 16, 2004.
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