Family Tree Researching The Importance of a Family Tree Worksheet. Many people are interested in tracing their family histories and family trees, but fewer have taken the steps necessary to start this fascinating research.One of the chief reasons for this reluctance is that many people are unsure how to start the process of tracing a family tree and building a family history.There are many ways to start the ball rolling, of course, but one of the simplest is to create a family tree worksheet.These handy worksheets can be a bit help in creating a family tree, and the good news is that they are widely available, inexpensive and easy to use.here are many ways to start the ball rolling, of course, but one of the simplest is to create a family tree worksheet. These handy worksheets can be a bit help in creating a family tree, and the good news is that they are widely available, inexpensive and easy to use.