YOU SAID:

My mother loves my brother more than me

INTO JAPANESE

私の母は私の兄を私よりも大好きです

BACK INTO ENGLISH

My mother loves my older brother than I.

INTO JAPANESE

私の母は私よりも兄を愛しています。

BACK INTO ENGLISH

My mother loves her older brother than me.

INTO JAPANESE

私の母は私よりも兄が大好きです。

BACK INTO ENGLISH

My mother loves her older brother than me.