They’re keeping it all in the family. Miley Cyrus’ brother, Braison Cyrus, is reportedly dating her boyfriend Patrick Schwarzenegger’s sister, Christina.

Cyrus and Schwarzenegger went public with their relationship in November and sources say the other Cyrus, 20, and Christina Schwarzenegger, 23, got together in December, TMZ reports.

Braison’s Instagram page features a few photos of himself with his new girlfriend, further confirming the rumors to be true.

images via Instagram from Braison Cyrus

Since it’s rumored Patrick and Christina’s mom, Maria Shriver, doesn’t approve of Miley, it’s not clear if she’s met her younger brother yet and whether or not she approves of her daughter’s new love interest.

As for their famous father, Arnold Schwarzenegger, he’s said to be thrilled about his son dating the “Wrecking Ball” singer.

image via INFphoto.com