A cousin chart describes the lineage between two cousins within the same side of a family based on the closest shared ancestor. Also known as a table of consanguinity, cousin charts explain the generations, or degrees of... More »

A fourth cousin is someone in a family who shares the same great-great-great-grandparents. First cousins share the same grandparents and second cousins have the same great-grandparents. Ordinal numbers of cousins are in ... More »

A parent's first cousin is the child's first cousin once removed. "Once removed" symbolizes the difference in genealogical generation. There is more genealogical difference between a first cousin once removed than a firs... More »

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When two cousins are the same distance in generations from the common ancestor, the child of cousin A is called a "cousin once removed" by cousin B. This is because the child of cousin A is one generation further from th... More »

One is only genetically related to one's cousin's cousin if there is a common ancestor shared. However, given the complexity of human relationships, it is not impossible that there might be a distant genetic relationship... More »

A fourth cousin is someone in a family who shares the same great-great-great-grandparents. First cousins share the same grandparents and second cousins have the same great-grandparents. Ordinal numbers of cousins are in ... More »

A pedigree chart is a diagram that shows inherited genetic traits for generations of a family. Researchers read the data in order to determine relationships between dominant or recessive traits for individuals on the cha... More »