Original: In the early 1980s Barenboim began a relationship with the Russian pianist Elena Bashkirova, with whom he had two sons: David Arthur (born 1982) (later a manager-writer for the German hip-hop band Level 8) and Michael Barenboim (born 1985) (a violinist).
Simplified: In the early 1980s, Barenboim began an affair with the Russian pianist Elena Bashkirova, with whom he had two sons.