Good discussion in this article, though written for Michigan.
To learn more about blended family planning in California (and Thor/Bambi remarriage planning), take my free online course or attend the free seminar at my office focusing on this subject.
Well, Emily said fair is fair, and put Bambi protection in her trust. If after Emily dies, I marry Bambi, my aerobics instructor, Bambi has to sign a pre- or postnuptial agreement or discretionary distributions to me from Emily’s trust, stop. These provisions in our trusts protect our entire marital estate in both of our trusts for our children, Luke and Elizabeth.
Source: Wallace: Protecting your assets from your spouse