It appears that the names of Beyoncé and Jay-Z’s newborn twins have been revealed! The proud parents let the cat out of the bag on Friday, when they filed legal documents to trademark the names Rumi Carter and Sir Carter through their family company. TMZ broke the news, writing that the names have already been branded for various business purposes.

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Beyonce and Jay-Z trademarked the names Sir and Rumi Carter Photo: Getty Images

According to the site, Rumi and Sir have been trademarked by Bey and Jay for all manners of future business endeavors. This includes their names to be used with baby items like: baby teething rings, strollers, hair ribbons and rattles. In addition, they’ve also been registered for merchandise like tote bags, sports balls, key chains, cosmetics and fragrances.

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Sir is a stately name, commonly used in the British monarch. While the origins of the word Rumi are linked back to 13th century Persian poet Jalāl ad-Dīn Muhammad Rūmī. The Drunk in Love singer reportedly welcomed her two babies with Jay-Z by her side the night of June 19, or the following morning, at a medical center in Los Angeles. A source revealed to People that the pair were "thrilled" to welcome the twins and had already started telling their family and friends the happy news.

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Beyonce and Jay-Z are already parents to Blue Ivy Photo: Instagram/@beyonce

The duo are already famously parents to five-year-old Blue Ivy, who Beyoncé recently opened up about to ABC News. She said: "I am very protective. I just want to make sure that she can have a healthy, safe, normal life. In the back of my mind, she's my priority. And life is completely different now. So I'm - I feel really, really just lucky that I can still do what I love, and now have a way bigger meaning. And that's to be her mother." Beyoncé announced her pregnancy back in February with a post on Instagram, which broke records after receiving over 7.8 million favorites in 24 hours.

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