‘I went there with someone and someone’ という表現は、会話ではとても自然な言い回しで、英文を書く時に用いることも出来ます。
‘Someone, someone and I went there’ は、よりフォーマルな言い方で、普段の会話ではあまり使いません。
ちなみに、英国女王は、‘ My husband and I’ をよく使うことで有名です。
比べてみよう
My wife, my daughter and I would like to make an appointment to speak with you in your office. (Formal letter)
Can I come round to see you with the wife and kids? (Informal phone call)