Probate Code § 6104
CHAPTER 1. General Provisions
The execution or revocation of a will or a part of a will is ineffective to the extent the execution or revocation was procured by duress, menace, fraud, or undue influence.
CHAPTER 1. General Provisions
The execution or revocation of a will or a part of a will is ineffective to the extent the execution or revocation was procured by duress, menace, fraud, or undue influence.