When you add people to the family tree then it is common problem when you add some duplicate people to your tree. The duplicate people may come up in your family tree file by mistake or even from TreeSync. It does not really matter if why the duplicates are in the tree file anyway. If you want them to be fixed on the family tree file, Family Tree Maker software can help you merge those individuals. In this post, we will tell you how can you merge duplicate people in a family tree.