Complex sentence: He had three children with his first wife, singer Hua Wa, After their marriage ended, Hua Wa and the children emigrated to Canada, but their only daughter, Ursule Wong, returned to Hong Kong to become a DJ/TV host and actor.
Split into simpler sentences: He had three children with his first wife, singer Hua Wa. The children emigrated to Canada returned to Hong Kong to become a DJ/TV host and actor.