YOU SAID:

So my sister ex-boyfriend mother's cousin is an axe-murderer!

INTO JAPANESE

だから、私の妹の元ボーイフレンドの母親のいとこは斧殺人者です！

BACK INTO ENGLISH

So, my mother's cousin of the ex-boyfriend of the sister is an ax murderer!

INTO JAPANESE

だから、妹の元ボーイフレンドの私の母のいとこは斧の殺人者です！

BACK INTO ENGLISH

So, my mother's cousin of the ex-boyfriend of the sister is a murderer of the ax!

INTO JAPANESE

だから、妹の元ボーイフレンドの私の母のいとこは斧の殺人者です！

BACK INTO ENGLISH

So, my mother's cousin of the ex-boyfriend of the sister is a murderer of the ax!