YOU SAID:

I was at your moms house

INTO JAPANESE

私はあなたのお母さんの家にいた

BACK INTO ENGLISH

I was at your mother's house

INTO JAPANESE

私はあなたの母親の家にいた

BACK INTO ENGLISH

I was in your mother's House

INTO JAPANESE

私はあなたのお母さんの家にいた

BACK INTO ENGLISH

I was at your mother's house

INTO JAPANESE

私はあなたの母親の家にいた

BACK INTO ENGLISH

I was at your mother's house