 Federer was born at the Basel <unk> Hospital in Basel , Switzerland . His father , Robert Federer , is Swiss , from <unk> , near the borders between Switzerland , Austria and Germany ; and his mother , Lynette Federer ( born Durand ) , from <unk> Park , <unk> , is a South African whose ancestors were Dutch and French Huguenots . Federer has one sibling , his older sister Diana , who is the mother of a set of twins . He holds both Swiss and South African citizenship . He grew up in nearby <unk> , <unk> , and then <unk> , close to the French and German borders and speaks Swiss German , Standard German , English and French <unk> , Swiss German being his native language . 
