Family tree

For other uses, see Family tree (disambiguation).
Example of a family tree. Reading left to right Lucas Grey is the father of three children, the grandfather of five grandchildren and the great-grandfather of three siblings Joseph, John and Laura Wetter.
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.