Prob. Code, § 250

(a) A person who feloniously and intentionally kills the decedent is not entitled to any of the following:

(1) Any property, interest, or benefit under a will of the decedent, or a trust created by or for the benefit of the decedent or in which the decedent has an interest, including any general or special power of appointment conferred by the will or trust on the killer and any nomination of the killer as executor, trustee, guardian, or conservator or custodian made by the will or trust.

(2) Any property of the decedent by intestate succession.

(3) Any of the decedent’s quasi-community property the killer would otherwise acquire under Section 101 or 102 upon the death of the decedent.

(4) Any property of the decedent under Division 5 (commencing with Section 5000).

(5) Any property of the decedent under Part 3 (commencing with Section 6500) of Division 6.

(b) In the cases covered by subdivision (a):

(1) The property interest or benefit referred to in paragraph (1) of subdivision (a) passes as if the killer had predeceased the decedent and Section 21110 does not apply.

(2) Any property interest or benefit referred to in paragraph (1) of subdivision (a) which passes under a power of appointment and by reason of the death of the decedent passes as if the killer had predeceased the decedent, and Section 673 does not apply.

(3) Any nomination in a will or trust of the killer as executor, trustee, guardian, conservator, or custodian which becomes effective as a result of the death of the decedent shall be interpreted as if the killer had predeceased the decedent.