Roger Federer better known as Tennis Champ holds the record of winning 17 singles Grand Slam Title. However Federer also holds a unique record in Doubles though not on the court but off the court. Roger Federer and Mirka Vavirnec are proud parents of two set of twin daughters ( Myla Rose & Charlene Riva ) and twin sons ( Leo & Lenny ) born in 2009 and 2014 respectively.
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