Sasha Alexander and Eduardo Ponte Sasha Alexander and Eduardo Ponte

It's a boy for Sasha Alexander.

The Rizzoli & Isles star and her husband, writer/director Edoardo Ponti, welcomed son Leonardo Fortunato Ponti on Dec. 20 in Geneva, Switzerland, her rep tells

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Leonardo is the second child for the couple, who have a 4-year-old daughter, Lucia.

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"We are so thrilled to welcome our little Leonardo," the couple said in a statement. "He's a wonderful gift and we are all in love — especially the grandmas!" Ponti is the son of Oscar winner Sophia Loren and the late movie producer Carlo Ponti. He and Alexander have been married since 2007.