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OTRC: Kelsey Grammer becomes a grandfather, as daughter Spencer welcomes 1st baby

Kelsey Grammer of 'Frasier' and his daughter Spencer Grammer of ABC's 'Greek' appear in publicity photos. (NBC / ABC)

You can now call Kelsey Grammer "Grandpa Frasier."

The 56-year-old's daughter Spencer recently gave birth to her first baby, a boy, who is the actor's first grandchild. She and husband James Hesketh named their son Emmett Emmanual.

Spencer Grammer, 28, gave birth on Monday, People magazine reported.

The actress is known for her main role on the defunct ABC Family show "Greek" and is Kelsey Grammer's only child with first wife Doreen Alderman.

In February, Spencer Grammer married Hesketh in New York City in a ceremony at City Hall. Her father and fiance Kayte Walsh attended the wedding, then got married themselves about two weeks later. She is his fourth wife.

Kelsey Grammer also has two minor children from his marriage to his third wife, Camille, star of the Bravo reality show "The Real Housewives of Beverly Hills."