Pier Silvio Berlusconi was born on April 28th, 1969, in Milan, Lombardy, Italy. He is son of entrepreneur and politician Silvio Berlusconi and Carla Elvira Lucia Dall'Oglio, grandson of Rosa Bossi, younger brother of Marina Berlusconi and stepbrother of Barbara Berlusconi, Eleonora Berlusconi and Luigi Berlusconi.