YOU SAID:

i ate my brothers leftover chicken

INTO JAPANESE

私は私の兄弟の鶏肉を食べた

BACK INTO ENGLISH

I ate my brother's chicken

INTO JAPANESE

私は弟のチキンを食べた

BACK INTO ENGLISH

I ate younger brother's chicken

INTO JAPANESE

私は弟の鶏を食べた

BACK INTO ENGLISH

I ate brother's chicken

INTO JAPANESE

私は兄弟のチキンを食べた

BACK INTO ENGLISH

I ate brothers' chicken

INTO JAPANESE

私は兄弟の鶏を食べた

BACK INTO ENGLISH

I ate brothers' chickens.

INTO JAPANESE

私は兄弟の鶏を食べました。

BACK INTO ENGLISH

I ate brothers' chickens.