Genealogists use oral interviews, historical records, genetic analysis, and other records to obtain information about a family and to demonstrate kinship and genealogy of the families. member. The results are usually displayed in graphs or written in narrative form. The field of family history is broader than genealogy, and includes not only lineage but also family and community history and biographies.
Records of genealogical work can be presented as “genealogy”, “family history” or “family tree”. In a narrow sense, "genealogy" or "family tree" traces a person's descendants, while "family history" traces a person's ancestors, but these terms are often used interchangeably with together. Family history may include additional biographical information, family traditions, etc.