updated 12/27/2012 AT 2:30 PM ET
•originally published 12/27/2012 AT 11:55 AM ET
From his peculiar last name, his famous uncle and a job in the space-travel industry, here are five things you should know about the man who swept Winslet off her feet:
A Fire Brought Them Together
When Winslet and her then boyfriend Louis Dowler visited Branson’s Carribean home on Necker Island in August 2011, a fire broke out and the couple – along with Winslet’s two children – managed to escape with 16 other guests. But when it came time to return to New York, it was Rocknroll who accompanied her, according to Britain’s Daily Mail.