Anne Heche and James Tupper
Sara Jaye Weiss/AP
03/11/2009 AT 05:35 PM EDT
Anne Heche is letting her classical training show.
The actress has given birth to a son, her second, who joins older brother Homer with a name borrowed from ancient Greece. Atlas Heche Tupper was born over the weekend and weighed 6 lbs., 12 oz., the actress's rep tells PEOPLE.
"They are ecstatic," the rep says of the new parents.
Heche and the boy's father, actor James Tupper, met on the set of ABC's Men in Trees
and began dating
in 2007. They announced they were expecting
in December last year.
Heche's other son, Homer, 7, is from her marriage to Coley Laffoon, which officially ended
Heche and Tupper recently picked up a few baby boy items at the Boom Boom Room's Children's Gifting Wonderland in Los Angeles, including a pair of Robeez Guitar leather booties
and a blue MiGi baby blanket
2007: James lands Anne & ''McTreemy'' nickname RELATED GALLERY:
Read more about Hollywood's baby boom!