あなたとその彼の兄弟の人さえ良ければ私は直接その兄弟の人と話し合いをしたいです。どう思いますか?その彼の兄弟はフェイスブックをやっていますか?またメールでのやり取りは可能ですか?
If it's OK with you and his brother, I would like to talk to his brother directly.
What do you think?
Does his brother have a Facebook account?
Also, is it possible to contact by emails?