CALIFORNIA FAMILY LAW
...Procedure After Trial/Hearing
......Attack on Judgments/Orders
.........Motion to Vacate (Not CCP §473)
............For Undue Influence
3 Cards On This Topic:

Undue influence defined.

Although "undue influence" in spousal transactions is not a stated ground for setting aside a judgment, the concept is broad enough to subsume all of the Fam. Code §2122 grounds for relief.

Additional cases discussing setting aside a judgment based on undue influence.