Complex sentence: Russell was born in Cincinnati, Ohio, the adopted son of a nurse and a chef on the B & O Railroad, and made his stage debut at age seven, singing "Moon Over Miami" with Fats Waller.
Split into simpler sentences: Russell was born in Cincinnati, Ohio, the adopted son of a nurse and a chef on the B & O Railroad. He made his stage debut at age seven, singing "Moon Over Miami" with Fats Waller.