ーbrothers who are easy to get along with
「仲良くやっていきやすい兄弟」=「仲の良い兄弟」
to get along with で「仲良くやっていく」
ーbrothers you are close to
「近い兄弟」
close で「人が親密な・親しい」
例:
So you have five brothers. Do you get along with all of them or do you have some brothers you don't really get along with?
「5人兄弟なんですね。5人みんなと仲が良いですか?それともあまり仲の良くない兄弟もいますか?」
ご参考まで!