YOU SAID:

My mother's brother is taller than my father's sister, however my brother's daughter is faster than her father's cousin.

INTO JAPANESE

私の母の兄は、しかし、私の兄の娘は彼女の父のいとこよりも高速で、私の父の妹よりも背が高いです。

BACK INTO ENGLISH

My mother's brother, however, the daughter of my brother faster than the cousin of her father, is taller than my father's sister.

INTO JAPANESE

私の母の弟は、しかし、彼女の父のいとこよりも早く私の弟の娘は、私の父の妹よりも背が高いです。

BACK INTO ENGLISH

My mother's brother, however, faster than her father's cousin my brother's daughter is taller than my father's sister.

INTO JAPANESE

私の母の弟は、しかし、彼女の父のいとこ兄の娘よりも速くは父の妹よりも背が高いです。

BACK INTO ENGLISH

My mother's brother, however, faster than the daughter of her father's cousin brother is taller than the younger sister of the father.

INTO JAPANESE

私の母の弟は、しかし、彼女の父のいとこの弟の娘よりも速くは父の妹よりも背が高いです。

BACK INTO ENGLISH

My mother's brother, however, faster than the daughter of her father's cousin's brother is taller than the younger sister of the father.

INTO JAPANESE

私の母の弟は、しかし、彼女の父のいとこの兄弟の娘よりも速くは父の妹よりも背が高いです。

BACK INTO ENGLISH

My mother's brother, however, faster than the daughter of her father's cousin's brother is taller than the younger sister of the father.