Evidence of entries in family Bibles or other family books or charts, engravings on rings, family portraits, engravings on urns, crypts, or tombstones, and the like, is not made inadmissible by the hearsay rule when offered to prove the birth, marriage, divorce, death, parent and child relationship, race, ancestry, relationship by blood or marriage, or other similar fact of the family history of a member of the family by blood or marriage.
Ca. Evid. Code § 1312