YOU SAID:

my name is that same as your mother's mother's mother's name

INTO JAPANESE

私の名前はあなたのお母さんのお母さんの名前と同じです

BACK INTO ENGLISH

my name is the same as your mother's mother's name

INTO JAPANESE

私の名前はあなたのお母さんのお母さんの名前と同じです

BACK INTO ENGLISH

my name is the same as your mother's mother's name