YOU SAID:

Where did they come from where did they go where did they come from cotton eye joe

INTO JAPANESE

彼らはどこから来たのかどこから来たのか

BACK INTO ENGLISH

Where they came from and where they came from

INTO JAPANESE

彼らがどこから来て、どこから来たのか

BACK INTO ENGLISH

Where they came from and where they came from