何の関係もなかった

had nothing to do with

→ 何
phrase Rare #36,135
had nothing to do with Used to say that someone or something was completely unrelated to an event, matter, or situation. 何の関係もない is the present form.
JA: 私はその事故とは何の関係もなかった。
EN: I had nothing to do with that accident.

私はその件とは何の関係もなかった

I had nothing to do with that matter.

犯人と思っていた男は事件とは何の関係もなかった

The man I thought was the culprit had nothing to do with the case.

私はその出来事とは何の関係もなかった

I had nothing to do with that incident.

僕は僕の世界にお互いに何の関係もなかった

In my world, we had nothing to do with each other.

— グッバイ、レーニン! (2003)

私はその事件何の関係もなかった

I had nothing to do with that incident.