In the wake of allegations that Mel Gibson abused ex-girlfriend Oksana Grigorieva, he has one unlikely ally by his side: ex-wife Robyn.

Robyn declared in a sworn affidavit that the “Braveheart” star never abused her or their seven children during their 28-year marriage — and that turned out to be pivotal in a court ruling allowing him to maintain visitation rights with Lucia, his and Oksana’s daughter.