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Beyonce and Jay-Z’s Twins Rumi and Sir Delivered by Kardashians’ Doctor: Find Out Who Was Born First!

New details about Beyoncé and Jay-Z‘s twins, Rumi and Sir, have been revealed in the newborns’ birth certificates, which were obtained by TMZ on Tuesday, July 18.

Jay Z and Beyonce
Jay Z and Beyonce during The 59th GRAMMY Awards in 2017. Kevin Mazur/Getty Images

Related: Beyonce and Jay-Z’s Sexy Romance

Rumi and Sir, who were born on June 13, were delivered by OB/GYN Dr. Paul Crane, who has worked with numerous celebs, at Ronald Reagan UCLA Medical Center in Los Angeles. Dr. Crane previously delivered Kim Kardashian and Kanye West‘s children, North and Saint; Kourtney Kardashian and Scott Disick‘s children Mason, Penelope and Reign; and Blac Chyna and Rob Kardashian‘s daughter, Dream.

Sir Carter and Rumi 1 month today. ??❤️??????????

A post shared by Beyoncé (@beyonce) on

According to the birth certificates, Rumi arrived first, followed by Sir. Both babies were born at 5:13 a.m. Neither of them have a middle name.

Related: Celebrity Babies of 2017

Us Weekly confirmed on June 17 that the happy couple, who are also parents of 5-year-old daughter Blue Ivy, welcomed their new bundles of joy. Multiple sources confirmed the babies’ sexes and names to Us in the days following.

Beyoncé, however, didn’t officially announce the news until July 13 when she shared the first photo of Rumi and Sir on her Instagram account in honor of their one-month birthday.

Related: Famous Celebrity Pregnancies: Baby Bump Hall of Fame

“She’s loved shopping for the babies,” a source exclusively told Us of how the pop superstar prepared for her new arrivals. “Look for lots of matching outfits!”

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