The Fifth House of Betazed was a prestigious family on planet Betazed. Lwaxana Troi was daughter of the Fifth House, in addition to being heir to the Holy Rings of Betazed and the holder of the Sacred Chalice of Rixx, all of which she rarely failed to mention in formal introductions. (TNG: "Haven" , "Half a Life" ; DS9: "The Forsaken") According to Star Trek: Star Charts, the Fifth House of Betazed was the planetary government of Betazed, based in the capital city of Rixx.