YOU SAID:

Matthew, who is a person some know, some would consider him to be odd.

INTO JAPANESE

誰かが知っている人であるマシュー、彼は奇妙だと考える人もいます。

BACK INTO ENGLISH

Matthew, who someone knows, thinks he is strange.

INTO JAPANESE

誰かが知っているマシューは、彼は奇妙だと思っています。

BACK INTO ENGLISH

Matthew, who someone knows, thinks he is strange.