Brad Pitt and Angelina Jolie’s longtime bodyguard revealed how she allegedly turned his kids against their father, RadarOnline.com has learned. Together, Brad and Angelina share six children — Maddox, Pax, Zahara, Shiloh, and twins Knox and Vivienne. Nineteen-year-old Zahara was the first of the brood to publicly disavow their dad. During her sorority’s induction ceremony last November, she announced herself as “Zahara Marley Jolie,” noticeably dropping her famous father’s last name. On May 3, choreographer Lil Kelaan Carter praised 18-year-old Shiloh’s “energy” and tagged her Instagram in a p…