Former President George W. Bush has become a grandfather.

Jenna Bush Hager (Ronald Martinez/Getty Images)

His twin daughter Jenna Bush Hager gave birth to her first child, a daughter, on Saturday night in New York City.

The former president announced the birth in a statement Sunday. The baby's name is Margaret Laura "Mila"  Hager.

Jenna Bush Hager is a contributing correspondent for the "Today" show. She's married to Henry Hager.

The former president says the baby was named for her grandmothers.

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