Kate Winslet

Kate Winslet, shown while pregnant in October, is now the mother of three children. (Stuart C. Wilson / AFP / Getty Images / October 14, 2013)

Kate Winslet and husband Ned Rocknroll have welcomed their first child together, a baby boy.

The child, Winslet's third, was born Saturday in Britain, the actress' rep confirmed to People. While no name has been revealed, the tot clocked in at 9 pounds, according to the Mail Online, and mom and baby are doing well. 

The couple, who got married last December, announced in June that they were expecting. They're "thrilled to bits," the Oscar winner's rep told the Mail.

Winslet has a 13-year-old daughter, Mia, with first husband Jim Threapleton and a 9-year-old son, Joe, with second husband Sam Mendes.

Rocknroll is a nephew of Virgin honcho Richard Branson and reportedly works in Virgin's space-travel branch. The two met on Branson's private Necker Island in 2011.

ALSO:

Demi Lovato opens up about heavy use of cocaine, alcohol

Rebecca Black follows up 'Friday' with — get this — 'Saturday'

Barron Hilton beatdown: Dust settles around Lindsay, Paris, Ray LeMoine

Follow Christie D'Zurilla on Twitter and Google+. Follow the Ministry of Gossip on Twitter @LATcelebs and on Facebook facebook.com/ministryofgossip.