The family tree is now online, it is on a website https://en.geneanet.org/ where you have to register for free.
Then when you sign in, type in Search for my ancestors, remember to use the family name given at birth, among the results you have to find a person where under the name it says “family tree of jmjoerge” type on that line and information about the person will appear, then go up and type on family tree. Now you can guide yourself through the tree by typing on the small + above or below. only deceased people you can get information about by typing on the person