I think it depends entirely on one's lifestyle. If you have a social life and you meet other people a lot or are part of some clubs or whatnot, there's a good chance you might find someone. But if you're a recluse who's sitting in front a computer the whole day, then that statement is pretty much true.
id tell him the name of my great-grandpa and the city he's from, and he'd buzz through the records, id do it myself but this is kinda hard to do online if you dont have access to all the resources (i literally dont even know what those would be)
ill check the wiki, but i tried familysearch and its impossible because either my grandpa didnt have a surname, or he had a bullshit made up name for legal reasons
Annalena is stuck in Pakistan! She was tested positive for the pooronavirus and is not allowed to leave Islamabad, Germany will need a new foreign minister soon