YOU SAID:

If our mother and father are the same then we must be siblings

INTO JAPANESE

私たちの母と父が同じなら、私たちは兄弟でなければなりません

BACK INTO ENGLISH

If our mother and father are the same, we must be siblings

INTO JAPANESE

私たちの母と父が同じなら、私たちは兄弟でなければなりません

BACK INTO ENGLISH

If our mother and father are the same, we must be siblings