A family tree is also a pedigree or genealogy chart representing the entire family setup. It comes like a tree-like structure. Even detailed information is inserted into the family tree that includes medicines and social work, which is popularly known as genograms.

In countries like Africa, during the Ethiopian time has used the concept of Family tree. Through that information, the experts detected or traced the family grounds and its existence. In Native American civilization, the genealogical records the entire ruling of the royal families. For East Asia, the chart or graph that was created was found certain natives of dynasties of China. But the longest family tree in the world was of a Chinese philosopher and the educator of Confucius. It has descended of King Tang. The tree has 80 generations which include a total of 2 million members. Nowadays, afamily tree for children is also done.

The Graph concept

In the graph, the tree forms the relations. It starts from the ancestral formats of both the mother’s and fathers’ sides. The common relation that is developed gets divided into other parts of relations. As the parents are born before, the person cannot be an ancestor himself. There is no presence of a loop. The ancestral forms an acyclic graph. If there is no common root of the ancestral, then it becomes a perfect binary tree. The uncles and cousins template is made for better knowledge in the chart.

The types of Formats

The stable numbering system has the subject, father, mother, paternal grandfather, paternal grandmother, and other maternal generations in the table. The female and male members are counted in the tree, and the formats are decorated accordingly. The Fan chart has a half-circle with concentric rings, and the second one is divided in two. Fan charts depict paternal and maternal ancestors.