CA Evid Code Section 1330

Evidence of a statement contained in a deed of conveyance or a will or other writing purporting to affect an interest in real or personal property is not made inadmissible by the hearsay rule if:

(a)

The matter stated was relevant to the purpose of the writing;

(b)

The matter stated would be relevant to an issue as to an interest in the property; and

(c)

The dealings with the property since the statement was made have not been inconsistent with the truth of the statement.