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A genogram, also known as a family diagram, [1] [2] is a pictorial display of a person's position in their family's hereditary and ongoing relationships. It goes beyond a traditional family tree by allowing the user to visualize social patterns and psychological factors that punctuate relationships, especially patterns that repeat over the generations.
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.
A generation is all of the people born and living at about the same time, regarded collectively. [1] It also is "the average period, generally considered to be about 20–30 years, during which children are born and grow up, become adults, and begin to have children." [2] In kinship, generation is a structural term, designating the parent ...
In order to readily have the generation stated for a certain person, the Ahnentafel numbering may be preceded by the generation. This method's usefulness becomes apparent when applied further back in the generations: e.g. 08-146, is a male preceding the subject by 7 (8-1) generations. This ancestor was the father of a woman (146/2=73) (in the ...
The coefficient of relationship is sometimes used to express degrees of kinship in numeric terms in human genealogy. In human relationships, the value of the coefficient of relationship is usually calculated based on the knowledge of a full family tree extending to a comparatively small number of generations, perhaps of the order of three or four.
An American family composed of the mother, father, children, and extended family. The out of wedlock birth rates by race in the United States from 1940 to 2014. The rate for African Americans is the purple line. Data is from the National Vital Statistics System Reports published by the CDC National Center for Health Statistics.
The history of the family is a branch of social history that concerns the sociocultural evolution of kinship groups from prehistoric to modern times. [1] The family has a universal and basic role in all societies. [2] Research on the history of the family crosses disciplines and cultures, aiming to understand the structure and function of the ...
Consanguinity (from Latin consanguinitas 'blood relationship') is the characteristic of having a kinship with a relative who is descended from a common ancestor. Many jurisdictions have laws prohibiting people who are related by blood from marrying or having sexual relations with each other. The degree of consanguinity that gives rise to this ...