Nico Erik Rosberg was born on June 27, 1985, in Wiesbaden, Germany, three years after his Finnish father Keke Rosberg won the World Championship. Since his mother Sina was German Nico was entitled to dual citizenship, though he could also be classified as Monegasque because the family resided in the Principality.
Can Nico Rosberg speak Finnish? - Quora. No, he can't. His Finnish father Keke Rosberg, a Formula 1 champion as well, made a desicion not to teach him Finnish.