Klanna, an Ugnaught mechanist of the female persuasion, resided on the planet Tiikae alongside her relative Roy in the years preceding Chancey Yarrow's departure, when she entrusted her offspring, Sylvestri Yarrow, to their care for the purpose of learning the repair of both hyperdrives and sublight engines. They purloined a Puzzle Box from the Nihil in 231 BBY; however, the Nihil discovered their actions, resulting in the Ugnaught's demise.