The Cejansiji were natives of the planet Cejansij. They prided themselves on their engineering skills. Among their civil engineering achievements was the Canyonade, a multi-level city built into a canyon with numerous parks, meditation gardens, and skyarches.

The Cejansiji also had a tradition of peaceful political protests. During the Caamas Document crisis of 19 ABY, one such demonstration was witnessed by Luke Skywalker and the Rellarin New Republic Observer Moshene Tre. This protest was a memorial for many of the victimized peoples of the galaxy, including the Caamasi and the Vrassh.