Frazer Harrison/Getty ImagesJim Carrey's family just experienced a very fortunate event.
The 47-year-old actor became a first-time grandpa Friday when his daughter Jane welcomed her first child with her musician hubby, Alex Santana.
Son Jackson Riley Santana was born at 12:28 a.m. in Los Angeles, weighing 7 pounds, 11 ounces and measuring 20 inches long, E! News confirmed.
Carrey revealed that his baby was having a baby in July. "I am very excited," he said at the time. "Jane is going to be a great mom."
Jane and Alex, both lead singers in their respective rock bands, tied the knot November. Jane is Carrey's daughter with first wife Melissa Womer.
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Yay for multigenerational Famous Families!