Leonardo DiCaprio was born in Los Angeles, California, the only child of Irmelin (née Indenbirken), a former legal secretary, and George DiCaprio, an underground comic artist and producer/distributor of comic books. His mother moved from Oer-Erkenschwick at the Ruhr, Germany, to the U.S. during the 1950s, while his father is a fourth-generation American of half Italian and half German descent. His maternal grandmother, Helene Indenbirken, who was born Yelena Smirnova, was a Russian immigrant to Germany.