"We are so happy to welcome Marvel Jane Wentz into the world," the "Fall Out Boy" rocker, 38, and model, 29, told people.com exclusively in a statement.
"Her brothers are both very excited about their brand new kid sister," the statement further read.
"So excited to introduce Marvel Jane Wentz. Feeling so grateful that she's here and she's already ready to takeover the world . Happy Mother's Day Meagan Camper and all the moms out there. We love you," he posted.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)