The following Cousin Relationship Chart is a great way for someone to learn, understand, or explain how the entire cousin-relationship works. As we see, The second cousin connection is quite simple: the common ancestor is a great grandparent. At the same time, the first cousin once removed relationship is slightly more complicated: it means that the common ancestor is a grandparent to one person and a great grandfather to the other. You can create such extensive cousin relationship charts using EdrawMax, or you can easily copy this chart and use it for your academic purposes. With EdrawMax, exporting the files into multiple formats is pretty straightforward.