His father, George Meller, was a noble-born Swede; his mother, Helena Caruso, was half Italian and half Greek, and also from a noble family.
Sein Vater, George Meller, stammte aus einer schwedischen Adelsfamilie, seine Mutter, Helena Caruso, die halb Italienerin und halb Griechin war, stammte ebenfalls aus dem Adel.