House Atreides is one of the Houses Major within the galactic infrastructure of the Imperium. They are ruled by the patriarch of the Atreides family, who took the title of Duke....

House Harkonnen is a Great House known throughout the known universe. Their capital is Giedi Prime, a heavily industrialised planet with a low photosynthetic potential. House Harkonnen is most famous for its underhanded and sinister political tactics, and ...

House Ordos is a mercantile Great House whose home is an ice-covered planet, Sigma Draconis 4, in the Sigma Draconis star system. House Ordos is most famous for its smuggling of forbidden Ixian technologies into their home planet, and for the wealth that m...

The Imperial House Corrino is the deadliest and grandest House Major found in the known universe. House Corrino maintains arguably the most powerful army in the known universe - the Sardaukar. They are renowned and feared throughout for their fanatical fig...