They both raised children who like to embarrass their father. There’s the rebellious and bitter son and the liberal daughter.

The daughter of Republican hopeful Rudy Giuliani has signaled she’s backing Democrat Barack Obama for president.

According to her Facebook profile, Giuliani’s 17-year-old daughter, Caroline, belonged to Democrat Barack Obama’s Facebook group “Barack Obama (One Million Strong for Barack).” She left the group Monday morning after the online magazine Slate sent an inquiry.