Great Houses of the London Life
WIP
Duchies
- Dunford Family incorporating the Bexleys and Haverleighs
- Gosling Family incorporating the Hacketts (Earldom of Morven) and Harpoles (Duchy of Leicester)
- Hissop Family incorporating the Rossingtons (Duchy of Welby), Palmers and Cranes
- Werlington Family
Marquessates
- Agnew Family
- Blakeney Family
- Delafield Family incorporating the Seymours (Earldom of Thernope)
- Grafton Family incorporating the Rossingtons (Duchy of Welby), Palmers, Cranes and Freyes
- Grove Family
- Landon Family incorporating the Powells
- Moncrieff Family incorporating the Clares
- Montgomery Family incorporating the O'Sullivans, the Sandeford-Wreys and the Talbots.
- Pritchard Family
Earldoms
- Astor Family incorporating the Quinns (Duchy of Wycombe), Fairmonts (Marquessate of Foxford) and Winters
- Beacham Family
- Fitzgerald Family incorporating the Carlisles
- Layton Family
- Rathbone Family
- Relmsey Family
- Roydon Family
- Seymour Family (Earldom of Thernope) incorporating the Delafields (Marquessate of Hollomere)
- Sterne Family incorporating the Middletons