Amanda Peet welcomes third child with husband David Benioff

LOS ANGELES, Dec. 8 (UPI) -- Amanda Peet gave birth to her third child with husband David Benioff on Sunday in Los Angeles.

The couple's new son, whose name is still unknown, joins his sisters Molly June, 4, and Frances Pen, 7, at the Binioff-Peet household.

"[My daughters] are very excited now," the actress, 42, told People magazine in October. "We'll see what happens when he actually arrives!"

Peet and Benioff, the co-creator of HBO's Game of Thrones, have been married since 2006.