Lucille Ball had two children in her marriage with Desi Arnaz. They had a girl first Lucie Arnaz, and their second child was a boy Desiderio Arnaz. She did not have any children in her second marriage.
After suffering several miscarriages, Lucille Ball and her then-husband Desi Arnaz had two children together. Daughter Lucie and son Desi Jr. both tried acting and by age 12, Desi was a drummer in a teen rock band.