The history of lineage traces back to ancient human organization, where kinship, tribal connections, and ancestral descent formed the bedrock of societal structure, inheritance, and governance. Across diverse civilizations globally, recording a lineage served to preserve royal successions, land rights, tribal identities, and cultural heritage, often maintained through oral traditions, sacred texts, or formal genealogical archives. Over centuries, the study of lineage evolved from mythical and aristocratic family trees into a structured scientific discipline combining historical records, biographical databases, and modern DNA genetic ancestry testing to map human migration and familial descent.