Genealogy is the study of families, family history, and the tracing of their lineages. Genealogists use oral interviews, historical records, genetic analysis, and other records to obtain information about a family and to demonstrate kinship and pedigrees of its members. The results are often displayed in charts or written as narratives. The field of family history is broader than genealogy, and covers not just lineage but also family and community history and biography.
A language family is a group of languages related through descent from a common ancestral language or parental language, called the proto-language of that family. The term "family" reflects the tree model of language origination in historical linguistics, which makes use of a metaphor comparing languages to people in a biological family tree, or in a subsequent modification, to species in a phylogenetic tree of evolutionary taxonomy. Linguists therefore describe the daughter languages within a language family as being genetically related. The divergence of a proto-language into daughter languages typically occurs through geographical separation, with different regional dialects of the proto-language spoken by different speech communities undergoing different language changes and thus becoming distinct languages from each other.
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.
GEDCOM, complete name FamilySearch GEDCOM, is a de facto open file format specification to store genealogical data, and import or export it between compatible genealogy software. GEDCOM is an acronym standing for Genealogical Data Communication. GEDCOM was developed by the Church of Jesus Christ of Latter-day Saints as an aid to genealogical research. Most genealogy software supports importing from and exporting to GEDCOM format.
In biology and genetic genealogy, the most recent common ancestor (MRCA), also known as the last common ancestor (LCA), of a set of organisms is the most recent individual from which all the organisms of the set are descended. The term is also used in reference to the ancestry of groups of genes (haplotypes) rather than organisms.
Genetic genealogy is the use of genealogical DNA tests, i.e., DNA profiling and DNA testing, in combination with traditional genealogical methods, to infer genetic relationships between individuals. This application of genetics came to be used by family historians in the 21st century, as DNA tests became affordable. The tests have been promoted by amateur groups, such as surname study groups or regional genealogical groups, as well as research projects such as the Genographic Project.
FamilySearch is a nonprofit organization and website offering genealogical records, education, and software. It is operated by The Church of Jesus Christ of Latter-day Saints, and is closely connected with the church's Family History Department. The Family History Department was originally established in 1894, as the Genealogical Society of Utah (GSU); it is the largest genealogy organization in the world.
A cousin is a relative that is the child of a parent's sibling, this is more specifically referred to as a first cousin.
Two languages have a genetic relationship, and belong to the same language family, if both are descended from a common ancestor through the process of language change, or one is descended from the other. The term and the process of language evolution are independent of, and not reliant on, the terminology, understanding, and theories related to genetics in the biological sense, so, to avoid confusion, some linguists prefer the term genealogical relationship.
A genealogical DNA test is a DNA-based genetic test used in genetic genealogy that looks at specific locations of a person's genome in order to find or verify ancestral genealogical relationships, or to estimate the ethnic mixture of an individual. Since different testing companies use different ethnic reference groups and different matching algorithms, ethnicity estimates for an individual vary between tests, sometimes dramatically.
A genogram is a pictorial display of a person's family relationships and medical history. It goes beyond a traditional family tree by allowing the user to visualize hereditary patterns and psychological factors that punctuate relationships. It can be used to identify repetitive patterns of behavior and to recognize hereditary tendencies.
Gramps is a free and open source genealogy software. Gramps is programmed in Python using PyGObject. It uses Graphviz to create relationship graphs.
In historical linguistics, the tree model is a model of the evolution of languages analogous to the concept of a family tree, particularly a phylogenetic tree in the biological evolution of species. As with species, each language is assumed to have evolved from a single parent or "mother" language, with languages that share a common ancestor belonging to the same language family.
This article compares several selected client-based genealogy programs. Web-based genealogy software is not included.
MyHeritage is an online genealogy platform with web, mobile, and software products and services, introduced by the Israeli company MyHeritage in 2003. Users of the platform can obtain their family trees, upload and browse through photos, and search through over 19.4 billion historical records, among other features.
Family tree mapping is the process of geocoding places in family tree files to produce geospatial data suitable for viewing with a virtual globe or 2D mapping program.
Genbox Family History is genealogy software for Microsoft Windows, developed by Thoughtful Creations. It functions as a database, a research planner and task organizer, a data analyzer, a chart producer, and a report writer.
Finding Your Roots with Henry Louis Gates, Jr. is a documentary television series hosted by Henry Louis Gates Jr. that premiered on March 25, 2012, on PBS. In each episode, celebrities are presented with a "book of life" that is compiled with information researched by professional genealogists that allows them to view their ancestral histories, learn about familial connections and discover secrets about their lineage.
WikiTree is a genealogy website that allows users to research and to contribute to their own family trees while building and collaborating on a singular worldwide family tree within the same system. WikiTree is free for the user and financed via advertisements displayed to unregistered users. WikiTree is owned and hosted by founder's company Interesting.com, Inc.
The Family History Research Wiki provides handbook reference information, and educational articles to help genealogists find and interpret records of their ancestors. It is a free-access, free-content, online encyclopedia on a wiki, hosted as part of the FamilySearch site. It is sponsored by FamilySearch, a non-profit organization, and a genealogical arm of the Church of Jesus Christ of Latter-day Saints. Anyone may read any of the articles, and almost all articles can be edited by registered users (contributors); registration is free.
