YOU SAID:

the guy that i met yesterday whose sister is deaf wasnt able to talk to my father, whose daughter is also deaf

INTO JAPANESE

私が昨日会った妹が耳が聞こえない男は、娘も耳が聞こえない父と話すことができませんでした

BACK INTO ENGLISH

The man I met yesterday whose sister is deaf couldn't talk to his father whose daughter is also deaf.

INTO JAPANESE

昨日会った妹が耳が聞こえない男性は、娘も耳が聞こえない父親と話すことができませんでした。

BACK INTO ENGLISH

The man I met yesterday whose sister is deaf couldn't talk to her father whose daughter is also deaf.

INTO JAPANESE

私が昨日会った妹が耳が聞こえない男性は、娘も耳が聞こえない父親と話すことができませんでした。

BACK INTO ENGLISH

The man I met yesterday whose sister is deaf couldn't speak to his father whose daughter is also deaf.

INTO JAPANESE

私が昨日会った妹が耳が聞こえない男性は、娘も耳が聞こえない父親と話すことができませんでした。

BACK INTO ENGLISH

The man I met yesterday whose sister is deaf couldn't speak to his father whose daughter is also deaf.