YOU SAID:

You had a foursome with grandma grandpa mom

INTO JAPANESE

おばあちゃん・おじいちゃん・お母さんのフォーサムをいた

BACK INTO ENGLISH

Were the foursome of Grandma, Grandpa, MOM

INTO JAPANESE

おばあちゃん、おじいちゃん、お母さんのフォーサムをいた

BACK INTO ENGLISH

Were the foursome of Grandma, Grandpa, MOM