With all the focus on family this holiday season, many experts say it’s also important to focus on our family trees for various reasons, including health. With the right genealogy app, it can be relatively easy to, well, find out more about our relatives, as PC Mike Wendland reports. The Ancestry app draws information from more than 14 billion historical photos and records to help you track down info about relatives. Information for family trees can be edited within the app, as well as shared with others, which means you can collaborate with other family members to flush out details. The app is free for iOS, Android, and Amazon though…