The Allied star, 52, “will cooperate in any way he can to see the kids,” a pal of the star tells Us.
Haven was born in Los Angeles, California, in 1973, to actors Jon Voight and Marcheline Bertrand.
“He’s always been incredible to the kids and is welcome in his home.” Jolie and Haven share parents Jon Voight and the late Marcheline Bertrand.
As Us previously reported, the Maleficent actress set up an .5 million rental house in Malibu for herself and her ex’s six kids — Maddox, 15, Pax, 12, Zahara, 11, Shiloh, 10 and twins Knox and Vivienne, 8 — prior to filing for divorce from Pitt on Monday, September 19.“They have six kids and want things to be as uninterrupted as possible,” a second insider tells Us.
His presence was first noted earlier this year and subsequent reports claimed he'd been made the 'full-time nanny' to his sister's children. magazine claimed he'd stepped up to fill Pitt's shoes as a father figure because the Hollywood actor was working so hard and was away from home much of the time.
Haven began his professional acting career in 1998.
The actress filed papers citing irreconcilable differences as the reason for the split and asked for physical custody of the couple's three biological children as well as their three adopted children - Maddox, 15, Pax, 12, and Zahara,11.
As for Haven, he's been described as her 'rock' and apparently receives 10 percent of her earnings, something a source said 'she agreed to back when [her mother] Marcheline was handling all her finances in the years pre-2002.
He had minor roles in several films starring his sister, Angelina Jolie, namely Gia (1998), Hell's Kitchen (1998), and Original Sin (2001).
He also appeared in Monster's Ball (2001), which starred his sister's then-husband, Billy Bob Thornton.