SITN recognizes bloodline as a matter of ancestral descent and kinship, historically acknowledged within Indigenous customary systems. References to blood type or biological markers appear within historical affidavits as contextual evidence and are preserved as part of the archival record.
The Nation does not rely on modern DNA genetic testing systems to define identity. Instead, SITN preserves:
Documented descent through family records
Federal Census Records (Proving Forced Reclassification & Paper Genocide)
Oral traditions and elder testimony
Blood-rights connected to Land rights in connected to the Bureau of Land Management and land patents
Treaty Authority - Supreme law of the land
Historical recognition of Indigenous families prior to forced assimilation
Geographical Ancestral Mapping
Genealogy & Hematologist records