New Zealand actor Lucy Lawless, who has made Xena an international star, gave birth to Julius Robert Bay Tapert.
Lawless has a daughter, Daisy, 11, from a previous marriage.
Shooting Xena resumes in New Zealand early next month.
Super-fit Lawless filmed the series during her pregnancy.
Australian fans will see those episodes when the series returns to our screens in summer.
The statuesque star has enjoyed a rapid rise to fame since Xena began five years ago.
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