You may have heard by now that Beyoncé, 35, and JAY-Z, 47, welcomed a set of twins, making their five-year-old daughter, Blue Ivy a big sister — and a new report claims the family went poetic with the monikers!

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According to TMZ, the couple filed trademarks (with the same people who helped secure legal rights for Blue Ivy) for the names “Sir Carter” (for the boy) and “Rumi Carter” (for the girl), likely referencing 13th century Persian poet Rumi, and one of his most famous poems.

Bey recently posted then removed a photo of the twins. Guess she wasn’t ready to reveal them.

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