Hader had no idea about the unlikely connection until he received an email from the six-time Emmy winner.

“She emailed me,” Hader revealed toEntertainment Tonight.

“Yeah, she emailed me and said, ‘Hey, we’re related.’

Split image of Bill Hader and Carol Burnett

And I went, ‘What?'”

“I told my my, kids!

he said, referencing the hit film “Annie.”

Marisa Tomei and Julianne Moore smile at an event for “Crazy, Stupid Love”

“We are distantly related,” Burnett confirmed.

“It’s just great.”

After pausing for a moment, her mouth gaping in shock, she continued, “Jules!

Split image of Becki Newton and Sienna Miller

Oh, I can’t wait to tell her!”

@marisatomei is my COUSIN!!

She finished up with a few hashtags: #FindingYourRoots and #twinning.

Split image of Roe Rogan and Gerard Way

Tomei also posted anInstagramof her own.

“What an incredible gift to find out about my family’s roots with @HenryLouisGates!

Hey cuz @juliannemoore!!!!”

Ashley Tisdale and Austin Butler smile together in a scene from ‘Sharpay’s Fabulous Adventure’

she penned to her followers.

Gaining Miller as a relative also means that Newton is related toMiller’s two daughters.

I see her as her own person but I also see genetic things.

Steven Tyler and Liv Tyler smile together at an event

She’s heaven, my kid.”

I think my aunt Josie was his grandmother.'"

“I don’t know him, but we’re cousins,” Rogan confirmed.

“No wonder we have such a connection!

“That is insane!

I literally am going to cry,” she continued, becoming emotional over the unexpected news.

Oddly enough, Liv met her biological father at a concert several years before she found out the truth.

The “Empire Records” star spoke of the strong connection she felt, even before learning the news.

I put his poster on my wall,” she toldInterview Magazinein 2015.

“I would talk to him on the wall.

I loved him so deeply,” she continued.

He’d never met me before," Liv explained to Wonderland.