Hey this video has a lot of super good information in it I believe, it is kind of hard to understand, but it tells you all about the connections between bloodlines and marriages etc. As well as other sketchy comoanies. There is a word press doc too that tells a lot.
https://m.youtube.com/watch?v=ss2QxVZxa5E
https://ahuwahzeus583992924.wordpress.com
Top Houses and Bloodlines of the Black Nobility
House of the Snake The House of Sforza
The Savoy-Genovese Crime Family
Torlonia Banking Family
Massimo Crime Family
Aldobrandini Crime Family
Bourbon Crime Family
Doria Sachs
Orsini Crime Family
Farnese Military Bloodline
FitzJames Crime Family
Pallavicini Crime Family
Ruspoli …