YOU SAID:
My mom’s friend’s sister’s daughter’s husband’s older brother got a new car yesterday.
INTO JAPANESE
昨日、母の友人の妹の娘の夫の兄が新しい車をもらいました。
BACK INTO ENGLISH
Yesterday, my brother, my sister's daughter's husband, got a new car.
INTO JAPANESE
昨日、兄、妹の娘の夫が新しい車を手に入れました。
BACK INTO ENGLISH
Yesterday, my brother and sister's daughter husband got a new car.
INTO JAPANESE
昨日、兄と妹の娘の夫が新しい車をもらいました。
BACK INTO ENGLISH
Yesterday, my brother and sister's daughter's husband got a new car.
INTO JAPANESE
昨日、兄と妹の娘の夫が新しい車をもらいました。
BACK INTO ENGLISH
Yesterday, my brother and sister's daughter's husband got a new car.
That didn't even make that much sense in English.