Possible Capstones (P)
Du(P)ont
https:// www.forbes.com/profile/du-pont/
Heir to DuPont family fortune raped his 3 yr old daughter… had 8 year sentence reduced and held up by Beau BIDEN … creepy joes son.
https:// en.m.wikipedia.org/wiki/Trial_and_sentencing_of_Robert_H._Richards_IV
Maria Camilla (P)allavicini
http:// theunhivedmind.com/UHM/bob-chapman-speaks-briefly-on-the-pallavicini-family/
(P)riory of Sion
http:// www.godlikeproductions.com/forum1/message1615888/pg1
(P)lantagenet (doubtful unless part of the deception is they lost power)
https:// www.google.co.uk/amp/s/europeanroyalhistory.wordpress.com/2013/05/02/living-male-line-plantagenet-descendents/amp/
Process of elimination. feel free to tear it apart or validate any of these.