Adelphi systemCanonLegendsInfinitiesThe Adelphi system designated a star system which housed the planet known as Adelphi.AppearancesThree Younglings & the Snackfrog of Doom — The High Republic Adventures Phase III Annual (Unkown)Unkown Unknown The Mandalorian — Chapter 21: The Pirate (First pictured) (Unkown)Unkown Unknown The Mandalorian — Chapter 24: The Return (Unkown)Unkown Unknown Shadow of the Sith (and audiobook) (First appearance) (Unkown)Unkown Unknown