LAS VEGAS, NV - MAY 02: Beyonce Knowles and Jay Z attend the welterweight unification championship bout on May 2, 2015 at MGM Grand Garden Arena in Las Vegas, Nevada. (Photo by Al Bello/Getty Images)

The couple filed a trademark for these two names.Find out the potential baby names below!

Beyoncé and Jay-Z: Twins Names Revealed! | TMZ TV

It seems Rumi and Sir Carter are the new additions to the family. We know that because the company run by Bey and Jay that owns the trademarks to their names filed legal docs to secure rights to the names Rumi Carter and Sir Carter.