Conversation so far:
What is notable about George M. Cohan's personal life?
From 1899 to 1907, George M. Cohan was married to Ethel Levey, a musical comedy actress and dancer.
Did George M Cohan and Ethel Levey a musical comdey actress and dancer have any children?
Ethel Levey and George M. Cohan had a daughter, actress Georgette Cohan Souther Rowse

Question: How was their marriage?
Self-contained rewrite: How was George M Cohan and Ethel Levey's marriage?