Cultural genealogythe science of studying family history, tracing family origins, finding lines of descent may trace familya family is group of people consisting of parents and children living together in a household; family members can also live away from parents or in a different household lineages and other entities (such as artifacts or paintings) through personal histories, oral traditions, environments and/or ancestralof, belonging to, inherited from, or denoting an ancestor or ancestors  or other culturally shared values and traditions, which are passed down through generationsthose people that are born and living at about the same time, regarded collectively; usually a generation within families is considered about 20 years.  Material cultureMaterial culture: all tangible objects, which are created, used, kept, and/or left behind by past and present cultures. In other words, the physical evidence of human experience. Material culture may be dwellings, pottery, tools, furniture, weapons, ornaments, art, and/or complete structures of cities. is often traced through genealogical methods.