Ahnenpaß of the mother of the witness - the data in this document had to be compiled on the basis of original documents and everything had to be thoroughly officially verified. The document was issued by the registry office (but could also be verified by the church) and replaced the need to document birth certificates, baptismal certificates and marriage certificates when presented. Inside the Ahnenpaß, fields were filled in regarding the birth, baptism, marriage and death of the owner and his ancestors back to the fifth generation (i.e. to the great-grandparents of the grandparents), namely according to the corresponding documents.