YOU SAID:

My cat found itself eating a hammock with my step brother

INTO JAPANESE

私の猫は私の義理の兄弟と一緒にハンモックを食べていることに気づきました

BACK INTO ENGLISH

I noticed that my cat was eating a hammock with my brother-in-law

INTO JAPANESE

猫が義兄と一緒にハンモックを食べているのに気づきました

BACK INTO ENGLISH

I noticed that the cat was eating a hammock with his brother-in-law

INTO JAPANESE

猫が義兄と一緒にハンモックを食べているのに気づきました

BACK INTO ENGLISH

I noticed that the cat was eating a hammock with his brother-in-law