YOU SAID:

My parents divorced while I was 3.

INTO JAPANESE

私が3歳のときに両親が離婚しました。

BACK INTO ENGLISH

My parents divorced when I was three.

INTO JAPANESE

私が3歳のとき、両親は離婚しました。

BACK INTO ENGLISH

When I was three, my parents divorced.

INTO JAPANESE

私が3歳の時、両親は離婚しました。

BACK INTO ENGLISH

When I was three, my parents divorced.