View a list of the available Notary Public forms available from the California Secretary of State's office here. An Affidavit of Heirship must be notarized before a notary public.The document must also contain a notary seal to be legally valid. An Affidavit of Heirship is a legal document used in some states to establish the legal heirs of a person who dies without a will. Complete the attached forms in black ink. Scan your completed forms and save as a single PDF file.