A family tree diagram shows a tree and how different family members are linked with one another. The grandparents will start from the top, following my parents, aunts, uncles, cousins, nieces, nephews, spouses, in-laws, siblings, and more. EdrawMax Online is a free family tree maker that has over 25 million registered users. These Drawers constantly update the template library that lets you get inspiration while designing the family tree diagram. The free family tree diagrams designed in EdrawMax Online can later be exported in HTML, JPEG, or PNG files. As the below family tree illustrates, A family tree is a type of chart or diagram representing generations of families and how they are linked throughout the years. A family tree can include names, birth dates, marriage dates, and pictures.