How many kids does Dave Grohl have? Singer's teenage daughters deactivated Instagram accounts after he admitted having an extra-marital baby

Dave Grohl's teenage kids seemingly deactivated their accounts after the rocker admitted on social media that he cheated on his wife and now has a kid with a secret mistress.

In a Tuesday, September 10, Instagram post, the Foo Fighters rocker shared a picture of his statement announcing his new daughter's birth. It reads:

"I've recently become the father of a new baby daughter, born outside of my marriage. I plan to be a loving and supportive parent to her."

Dave Grohl's shocking announcement also reads that he loves his wife and children and that he's "doing everything [he] can to regain their trust and earn their forgiveness."

Dave Grohl shares three kids, Violet, Harper, and Ophelia, with his current wife Jordyn Bloom, and his mystery child would be his fourth. However, less than an hour after the Foo Fighters rocker's announcement, Page Six reported that both Violet and Harper, currently 18 and 15, respectively, had deactivated their Instagram profiles.

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More on Dave Grohl's family life and daughters

Throughout his decades-long career, Dave Grohl has married twice. His first marriage was with Jennifer Youngblood from 1994 to 1997. His second is with his current wife, Jordyn Blum, whom he married in 2003. He recalled first meeting Blum in 2001 at the Sunset Marquis Whiskey Bar in West Hollywood to Q Magazine in 2007. He said:

"So I'm just having some drinks and acting like a jack**s. And by the end of the night, I was pissed and I'm staring at her going, 'You're my future ex-wife."

Two years later, they got married and now share three daughters. Their eldest, Violet Maye, is 18, whom the couple welcomed three years after their wedding. Her name is inspired by the rocker's maternal grandmother. Violet has inherited his father's love of music, and she loved Amy Winehouse at a young age, which Grohl admitted to People in 2008. He said:

"Violet loves the Amy Winehouse record. It's all about the Rehab song."

That same year, the Foo Fighters frontman announced their baby number two, Harper Willow, now 15, named after his uncle Harper Bonebrak. Like her older sister, Harper had a penchant for music, but she's more into playing drums. She joined her father onstage at the 2017 Secret Solstice Festival in Ireland to play Queen's We Will Rock You. Harper also joined her father and Violet onstage the next year for a benefit concert for the Benioff UCSF Children's Hospital.

Dave Grohl and Jordyn Blum welcomed their third daughter, Ophelia Saint, in August 2014. She's now ten, but she started a career in front of the camera when she was five. Per People, Ophelia joined the cast of Nick Jr.'s Ryan's Mystery Playdate with internet sensation Ryan Kaji.

As for his fourth daughter with a mystery woman, Grohl hasn't disclosed her name or anything about her mother. The rocker simply announced her birth on his Instagram post, alongside the message of moving "forward" with his family as he seeks their forgiveness for his infidelity.