Tuesday May 6th, 2014

Roger and Mirka Federer Roger Federer and his wife, Mirka, now have twin boys and twin girls. (Dmitry Lovetsky/AP)

Roger Federer and wife Mirka are the happy parents of twins ... again!

Federer announced the birth of his twin boys on Twitter on Tuesday: "Mirka and I are so incredibly happy to share that Leo and Lenny were born this evening! #TwinsAgain #Miracle."

Earlier Tuesday, Federer withdrew from the Madrid Open to be with Mirka "during these next few exciting weeks for our family," he said.

Leo and Lenny join a Federer clan that includes 4-year-old twin girls Charlene and Myla. Talk about Swiss efficiency! Two pregnancies, two healthy births, two sets of twins.

Congratulations to the Federer family. We look forward to seeing Switzerland sweep the gold medals in singles, doubles and mixed doubles at the 2040 Olympics.

Here is some reaction from Twitter:

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