YOU SAID:

I went to the aquarium the day before after yesterday with my uncles wives sisters cousins son daughter

INTO JAPANESE

一昨日、叔父、妻、姉妹、いとこ、息子、娘と一緒に水族館に行きました。

BACK INTO ENGLISH

The day before yesterday, I went to the aquarium with my uncle, wife, sister, cousin, son and daughter.

INTO JAPANESE

一昨日、私は叔父、妻、妹、いとこ、息子、娘と一緒に水族館に行きました。

BACK INTO ENGLISH

The day before yesterday, I went to the aquarium with my uncle, wife, sister, cousin, son and daughter.