Sharing iCloud on more devices
I've got a question, iam the owner of the 200gb iCloud storage, but my parents want to use it aswell to backup their iPhones. So i've got my own apple ID. My parents got a different Apple ID but both are on the same ID with 2 iPhones. My question is, they now have their photos separate of each other, if the iCloud photo upload thing is on, which wil contain (you can find them on any device) will get my mom my dads photo in her library? please help me can't find it anywhere thank you
iPhone 8 Plus, iOS 12