Jennifer Garner and Ben Affleck

Jennifer Garner and Ben Affleck have revealed the name of their third child.

"We are happy to announce on February 27, Jennifer gave birth to a healthy baby boy, Samuel Garner Affleck," Ben wrote on his Facebook page.

See other celebs who gave birth this year

Samuel joins sisters Violet, 6, and Serafina, 3. Garner and Affleck, both 39, have been married for seven years.

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