Pierre Casiraghi Hails from: Monaco Age: 31 Parents: Caroline, Princess of Hanover, and Stefano Casiraghi Relationship status: Pierre Casiraghi tied the knot with former actress Beatrice Borromeo in July 2015. They have two kids together, sons Stefano and Francesco. Place in line for the throne: Pierre is eighth in line for the Monegasque throne. Image Source: Getty / Venturelli