Kleiner Ariernachweis (Lesser Aryan certificate) was one of: Seven birth or baptism certificates (or a combination of both) (the person, his parents and grandparents) and three marriage certificates (parents and grandparents) or certified proofs thereof: Ahnenpass (literally ancestor's passport) Ahnentafel, a certified genealogy table Großer Ariernachweis (Greater Aryan certificate) was required for compliance with the requirements of the Reichserbhofgesetz (land heritage law) and membership in the Nazi party. This certificate had to trace the family pedigree down to 1800 (and to 1750 for SS officers). According to the especially strict regulation of this law which included the goal of Preserving the Purity of German Blood[4] only those were eligible who could prove (reaching back to January 1, 1800) that "none of their paternal nor their maternal ancestors had Jewish or colored blood".[5]