Genealogical data can be represented in several formats, for example, as a pedigree or ancestry chart. Family trees are often presented with the oldest generations at the top of the tree and the younger generations at the botto… See more

In addition to familiar representations of family history and genealogy as a tree structure, there are other notable systems used to illustrate and document ancestry and descent.
An … See more

While family trees are depicted as trees, family relations do not in general form a tree in the strict sense used in graph theory, since distant relatives can mate. Therefore, a person can have a common ancestor on both their … See more

Family trees have been used to document family histories across time and cultures throughout the world.
In Africa, the ruling dynasty of Ethiopia claimed descent from King Solomon via the Queen of S… See more