Jolie is raising three adopted children, Maddox, Zahara Marley, and Pax Thien, and biological daughter Shiloh Nouvel with the Ocean's Thirteen star---and Haven is convinced his sister has found a partner for life following failed marriages to Jonny Lee Miller and Billy Bob Thornton.
Haven, 33, says, "Brad has changed my sister a lot. They have an extraordinary bond; it's not on the usual level.
"He's great with her and I've never seen a brood like that who are all so supportive of one another.
"Brad is so strong for her. When she feels vulnerable, he has the most incredible strength. She says she couldn't have adopted more children after Maddox without him.
"I've never seen any sign of tension between them, and if it keeps going the way it's going, they'll be together for life."
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