Cate Blanchett is where the boys are.

The Oscar winner and her husband writer-director husband Andrew Upton are the proud parents of their third child, another son, reports Us.

Ignatius Martin was born Sunday, April 13, in Sydney, Australia.

Blanchett, 38, and Upton have two other sons: Dashiell John, 5, and Roman Robert, 3. The couple met while she was performing in a production of "The Seagull" and were married a year later in December 1997.

They are currently co-directors of the Sydney Theatre Company.

Blanchett, 38, was nominated for her turns in "Notes on a Scandal" and "Elizabeth" and won for her supporting role in "The Aviator," in which she played Katharine Hepburn. Her recent credits include "Elizabeth: The Golden Age," an incarnations of Bob Dylan in"I'm Not There" and the upcoming "The Curious Case of Benjamin Button" and " Indiana Jones and the Kingdom of the Crystal Skull."