Chrome is forcing Ancestry to display this message because it has detected a third party cookie, this is due to a setting in Chrome that can be toggled on and off. At the end of 2021 Chrome will disable this toggle and permanently block third party cookies and sites like Ancestry will be forced to change them to first party cookies which then can be managed via the Ancestry cookie settings allowing the user greater flexibility over which cookies are allowed/disabled
Firefox and Safari already have a permanent block, Chrome is following suit and Ancestry should change to fit
Hope this helps
