Celebrity | Patrick Schwarzenegger There's Another Cyrus-Schwarzenegger Coupling Miley's brother now dating Patrick's sister By Evann Gastaldo Posted Jan 15, 2015 10:44 AM CST Copied Singer Miley Cyrus, right, kisses Patrick Schwarzenegger as they watch Southern California play California during the second half of an NCAA college football game, Thursday, Nov. 13, 2014, in Los Angeles. (AP Photo/Mark J. Terrill) As if it's not "adorable" enough that Miley Cyrus is dating Arnold Schwarzenegger's kid, it turns out Miley Cyrus' brother is also dating a Schwarzenegger spawn. Braison Cyrus, 20, and Christina Schwarzenegger, 23-year-old sister to Miley-boy-toy Patrick Schwarzenegger, met when Miley set them up in November at her 22nd birthday party, sources tell E!. They started dating the next month, and Christina was recently spotted at Noah Cyrus' 15th birthday dinner celebration. (Maria Shriver is reportedly "mortified" by her son's relationship with Miley.) Read These Next Melinda French Gates reacts to her ex showing up in new Epstein files. Trump urges taking election authority from states. The voice behind 'Joy to the World' has died at 83. Floridians won't be able to vote on legalizing pot this year. Report an error