Possibly, if you subscribe to a genealogy website to access the information provided by Family Historian’s Automatic Data Matching. This may help you to locate people that appear to be related to you, in a genealogy website’s database of historical records.
For example, if you locate your grandfather in a genealogy database, associated historical records may uncover more relatives you haven't yet discovered. However, finding an entry in a genealogy database that matches the name and dates of a relative isn’t a guarantee that they are your relative. It could be someone of the same name, therefore it is always worthwhile having more than one source of information before adding a new relative to your family tree.