Roger Federer on How Being a Dad of 4 Changed His Tennis Career

Roger Federer, who announced his retirement earlier this month, is dad to twin daughters Myla and Charlene, 13, and twin sons Lenny and Leo, 8

Roger Federer: Q&A - Eurosport

Roger Federer: US Open wasn't the same without Andy Murray and

My parents were ashamed of me' - Roger Federer on how difficult he was as a teenager

The most incredible swissness of Roger Federer, Marketing & Advertising News, ET BrandEquity

Roger Federer - Simple English Wikipedia, the free encyclopedia

Roger Federer's Kids Make the Tennis Star One Busy Dad of Four

How Roger Federer changed tennis, Sports

Roger Federer on Retirement and His Evolution in Tennis, The New Yorker Radio Hour

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Roger Federer Announces Plans to Retire From Tennis - The New York Times