Luigi Gatto on Twitter: "Not many people know, but Roger Federer has a sister. Her name is Diana, 42 years old! Here are some pictures 👇♥️ https://t.co/HBroLMjV9m" / Twitter
Federer's older sister Diana also has twins and there had been some speculation earlier that his wife Mirka, a former pro tennis player herself, was expecting twins again but the couple managed
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