The Xbox Live Gold Family Pack will soon be making some big changes to the way it operates as each member of the family will have their account changed to individual Gold subscriptions.
Keep in mind however that due to the parental controls families can still prevent access to certain features of Xbox Live if they want to make their children’s accounts safer such as preventing purchases from Xbox Live.
These changes will be made from August 27th.
[Source: Xbox Support via Eurogamer]