Family shared games and live membership

Unfortunately Xbox live discontinued their family membership to pursue game pass, however I do recommend that you have the 2 adult accounts with the Xbox live membership and share with the child accounts via home share feature on consoles

• No, Xbox does not allow you to game share with people outside your household. Game sharing is a feature that allows family members or friends living in the same household to share games and Xbox Live Gold memberships on one console. Sharing your games or memberships with people outside your household violates the terms of use and could result in account suspension or other penalties.
  

I feel your pain here. I have 3 boys and they each have their own Xbox and I have two of my own for a total of 5 Xbox's in my house. I set my youngest son's Xbox as my Home Xbox, but still have to pay for additional Live subscriptions. I wish there
was a better way to do this, like if each console was on the same network that it would just be automatically detected as being in the same household. People will still find a way to take advantage of and abuse the system, but for most legitimate end users
there should be an option.

I'd love the ability to share across more than just 2 boxes, currently have 3 and would like to get another for up at work

😁

that would be pretty awesome, i'd like that to be a thing.