YOU SAID:

I once kissed my great great grand baby

INTO JAPANESE

私はかつて私の偉大な偉大な孫にキスをしました

BACK INTO ENGLISH

I once kissed my great great grandson

INTO JAPANESE

私はかつて私の曾孫にキスをしました

BACK INTO ENGLISH

I once kissed my great-grandson

INTO JAPANESE

私はかつて曾孫にキスをしました

BACK INTO ENGLISH

I once kissed my great-grandson