"Genealogy" is the study of families and the tracing of their blood line or lineages and history. Genealogists use oral traditions, historical records, genetic analysis, and other records to obtain information about a family and to certify family relationship and lines of descent of its members.
Some students who holds a scholarship, distinguish between genealogy and family history, limiting genealogy to an account of family relationship, while using "family history" to refer the preparation of additional details about lives and historical circumstances.
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