Can you share iCloud with family members?
Can I share iCloud+ storage w family members?
MacBook Pro 17″, OS X 10.10
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Hi, of course you can. You just must have storage 50gb and bigger (50, 200, 2000gb).
You can set it in settings. Here is link to Apple's pages and here is "tutorial" for that.
Share iCloud+ with your family - Apple Support
Or if you haven't got set family sharing, here is another link for that Set up Family Sharing – Apple Support (UK)