Leonid and Boris reunited as Leonid toured Berlin. In 1931 Boris settled in Riga, where Leonid spent much of a one-year sabbatical with his son, second wife Nina Mukina and daughter Svetlana.
In 1931, Boris moved to Riga, while Leonid visited Berlin. During this time, Leonid spent a year with his son, his second wife, Nina Mukina, and their daughter, Svetlana.