YOU SAID:
When did you become my dads brothers pets' fish's mother in law twice removed???
INTO JAPANESE
あなたはいつ私の父親になったのですか?
BACK INTO ENGLISH
When did you become my father?
INTO JAPANESE
あなたはいつ私の父になりましたか?
BACK INTO ENGLISH
When did you become my father?
That didn't even make that much sense in English.