How can I delete a child Apple ID account to remove it from my family sharing
How do I delete a child’s account on family sharing
iPhone 13
You must transfer children under 13* to another family. Learn how to move a child to another Family Sharing group
*Age varies by country or region. Under 14 in Austria, Bulgaria, China mainland, Cyprus, Israel, Italy, Lithuania, South Korea, and Spain. Under 15 in Czech Republic, France, Greece, Peru, and Slovenia. Under 16 in Brazil, Croatia, Germany, Hungary, Ireland, Kosovo, Liechtenstein, Luxembourg, Malaysia, Netherlands, Phillipines, Poland, Romania, Singapore, and Slovakia. Under 13 in all other countries.