What are the names of Roger Federer's children?

Roger Federer and his wife, Mirka, have two sets of twins as of January 2015. Girls Myla and Charlene were born in 2009, and boys Leo and Lennart, called Lenny, were born in 2014.

Roger and Mirka Federer met at the 2000 Summer Olympics where they competed in tennis and represented Switzerland. Mirka Federer retired from the women's tour in 2002 due to a foot injury. As of January 2015, Rodger Federer is still competing and holds the men's record for most Grand Slam singles titles with 17. He is the third male tennis player in the Open era to have 1,000 or more tour wins. Jimmy Connors and Ivan Lendl are the others.