Complex sentence: His mother, Ella (née Slatkin), was Polish Jewish and worked as a personnel clerk, and his father, Leroy Mosley (1924-2005), was an African American from Louisiana who was a supervising custodian at a Los Angeles public school.
Split into simpler sentences: His mother, Ella (née Slatkin), was Polish Jewish and worked as a personnel clerk. His father, Leroy Mosley (1924-2005), was an African American from Louisiana who was a supervising custodian at a Los Angeles public school.