The great houses of the Landsraad are members of the royal families who rule or govern over the major planets of the Universe...
10 seconds sound clip from the Dune (1984) movie soundboard.
You can hear this line at 00:06:02 in the Blu-ray version of the movie.
Quote context
[...]
- It is through The Guild's monopolies on the economic life of the Universe that makes it so powerful.
- Know then that it is the year 10192.
- The Known Universe is ruled by the Padishah Emperor Shaddam IV.
- According to the ancient feudal system of government.
- In this time, the most precious substance in the Universe is the spice melange.
- The spice extends life. The spice expands consciousness. The spice is vital to space travel.
- CHOAM Company controls the mining of the spice.
[...]