Google has launched a new website today that is meant to finally integrate all of the family group options from its various services. Google's been offering family group options (and pricing) for a few of its services, but managing those groups was done individually for each service. Not so anymore. The new Google family group page is where you can see what family group you're a member of - or create one if you aren't in any. Keep in mind that a family group can have a maximum of six members, and you can only be in one of these at a time. Oh, and switching is only allowed once every 12...
Source: http://www.gsmarena.com/google_family_group_integrates_family_offerings_from_its_various_services_in_one_place-news-25190.php