Passage: Federer was born in Basel, Switzerland. His father, Robert Federer, is a Swiss-German from Berneck in the Canton of St. Gallen, and his mother, Lynette Federer (née Durand), is an Afrikaner from Kempton Park, Gauteng, in South Africa.  Federer has one sibling, his older sister, Diana, who is the mother of a set of twins. Since his mother is South African, he holds both Swiss and South African citizenship. He grew up in nearby Birsfelden, Riehen, and then Münchenstein, close to the French and German borders, and he speaks Swiss German, Standard German, English, and French fluently, as well as functional Italian and Swedish; Swiss German is his native language. Federer served as a ball boy at his hometown Basel tournament, the Swiss Indoors, in 1992 and 1993.

Question: What is Roger Federer's mother's first name?
Lynette