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Family tree showing the relationship of each person to the orange person, including cousins and gene share. A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms.
Historically, the most common family type was one in which grandparents, parents, and children lived together as a single unit. For example, the household might include the owners of a farm, one (or more) of their adult children, the adult child's spouse, and the adult child's own children (the owners' grandchildren).
A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family".
Journal of Marriage and the Family (1981): 489-519. online; Gutman, Herbert G. The Black family in slavery and freedom, 1750-1925 (Vintage, 1977). Hareven, Tamara K. "The history of the family and the complexity of social change." American Historical Review 96.1 (1991): 95-124. Hareven, Tamara K. "The home and the family in historical perspective."
In its most common usage, the term nuclear family refers to a household consisting of a father, a mother, and their children, [5] all in one household dwelling. [4] George Murdock, an observer of families, offered an early description: The family is a social group characterized by common residence, economic cooperation and reproduction.
The family tree of Louis III, ... Bloodlines of Salem is an example of a specialized family-history group. ... would be answered by a description of father, mother ...
Research on the history of the family crosses disciplines and cultures, aiming to understand the structure and function of the family from many viewpoints. For example, sociological, ecological or economical perspectives are used to view the interrelationships between the individual, their relatives, and the historical time. [1]
In some circumstances, the extended family comes to live either with or in place of a member of the immediate family. These families include, in one household or close proximity, relatives in addition to an immediate family. [1] An example would be an elderly parent who moves in with his or her children due to old age.