Hello kk2023,
I understand you encountered an issue while setting up a new iPad and created a mistake in the child account.
To resolve this, I recommend reaching out directly to Apple Support through their official channels. They can assist you in deleting the mentioned accounts and ensuring a smooth setup for your new iPad. You can contact them through their website, Apple Support app, or by visiting an Apple Store.
I hope you find a quick solution to the account matter, and your new iPad setup goes smoothly.
Best regards, PreCognition
○ Apple Support ○ Hotline: Tel.: 0800 6645 451 (DE) ○ 0800 220325 (AT) ○ 0800 00 1853 (CH) ○