Right now, the unwritten rule is you have to be an Academy Award winner/nominee to join the club.
That box can be checked.
Generally at least one of your offspring has to be a minor.
An exception is being made to that because it is so close.
Plus, the club likes high profile members and you get several with this family.
Brother: Jaden Smith
Parents: Will Smith and Jada Pinkett Smith
Club members: Naomi Watts & Liev Schreiber, Annette Bening, Charlize Theron, Angelina Jolie