The ‘Family Tree’ is like a complicated mathematical problem—that cannot be solved using algebra.
Instead, the only way to see the full picture is in the form of diagrams. First, you draw yourself. Then, you add your father and mother just above you. If you know your uncle and aunt, draw them beside your parents. And if you still remember your grandparents, add them above your father and mother. Your end result should turn out something like to this: