With the Family Account you can collect and redeem Avios through the same account for a group of between 2 and 7 people (1 holder and 6 members). Please note that you will maintain your Iberia Club tier and associated benefits, as well as the Elite Points in your account and the policy for maintaining and moving up through the tiers.
If you are a member of Iberia Club and of legal age, you can create a Family Account and become the account holder. Log in and go to My Iberia Club > Family Account > Create Family Account. You can send up to 6 invitations to friends and family, as long as they have an active Iberia Club or Iberia Kids account. Please bear in bind that your guests can't belong to more than once Family Account at a time.
The minimum membership is 12 months. After that, members can the holder to remove them from the account.

If you have any questions, please check FAQ about the Family Account.