Little is known about Beyoncé and JAY-Z’s twins, but now, the release of their birth certificates allows us to know more about their grand entrance into the world.

The documents, obtained by TMZ, reveal that Rumi (a girl) and Sir (a boy) were born on June 13 at 5:13 a.m. Rumi was the first the make her appearance, with Sir soon to follow.

The media outlet is even reporting who delivered the twins. Dr. Paul Crane, the same doctor who delivered Kim, Kourtney and Rob Kardashian’s children, pulled off the delivery.

Earlier this week, grandma Tina Knowles Lawson explained the meaning behind Rumi’s name.

“This is poetry by the 13 th century poet “Rumi” it’s not only beautiful but logical ❤️ love number three ❤️Sometimes we are the reason we can’t find love!!” she wrote in an Instagram caption. “We have to work on ourselves first to be whole❤️”

On Tuesday, it was revealed that the Carter clan will join JAY-Z on his 4:44 tour.