The names of Hollywood's newest twins have finally been unveiled, with several reports out of the US confirming the very trendy titles.
According to the website, the business savvy parents have already used their company to trademark their new son and daughter's names for products like toys, make-up, teething rings, mugs and water bottles.
Yep, Rumi and Sir can't even crawl but they're already part of the Carter dynasty.
E! News also reports the twins' names are Rumi and Carter.
It's believed the inspiration behind the quirky monikers come from the 13th century Persian poet Rumi, who references the sir line in one of his poems, which reads: "Bring the pure wine of love and freedom. But sir, a tornado is coming."
Beyonce and Jay Z are yet to confirm the claims but they sure sound way more accurate than a previous report from Media Takeout, which alleged they were called Sean and Bea.
Meanwhile according to The Daily Mail, the family have set up shop in a $527,356-a-month Malibu mansion.
The Carters are expected to enjoy the luxury home for the rest of the summer and it sounds like the perfect place for the twins to kick start their entry into the world.
The superstar couple welcomed their babies on Monday, June 12.
The twins were reportedly born a few weeks early and with jaundice so were kept in hospital as a precaution.