Last year Dave, 55, shocked fans when he told how he had fathered a secret daughter outside of his marriage.
The NY Post has viewed documents showing the baby girl, who was born in August of last year, shares Grohl’s last name.
He pledged to "regain the trust" of his wife Jordyn and their three daughters – and also said he planned to support his new child.
The former Nirvana drummer wrote on Instagram: "I've recently become the father of a new baby daughter, born outside of my marriage.
THE mother of Dave Grohl’s love child has been revealed after he admitted to a secret affair.
