YOU SAID:
I am happy i am at my father's house
INTO JAPANESE
父の家にいるのはうれしいです
BACK INTO ENGLISH
I'm happy to be at my father's house
INTO JAPANESE
父の家にいてよかった
BACK INTO ENGLISH
Glad i was at my father's house
INTO JAPANESE
父の家にいてよかった
BACK INTO ENGLISH
Glad i was at my father's house
That didn't even make that much sense in English.