Simplify the following text for a Grade 11 native English-speaking person.
Original: After the Soviet consulate had apparently demanded he divorce Katia and while working with the American Negro Ballet , the inventor fell in love with and married the young prima ballerina Lavinia Williams .
Simplified: He worked with the American Negro Ballet . After the Soviet consulate had apparently demanded he divorce Katia , the inventor fell in love with and married the young prima ballerina Lavinia Williams .