Justice Isomeer was a Human female from the system of Tholoth. She was born in 54 BBY to middle-class parents. She was left on the Temple steps to be cared for by the Jedi, because they were being hunted for accidentally destroying a barge of the crime lord Mongo Gastrohilic Testino. The Jedi took her in and trained her to be a Jedi. She became the apprentice of the note Jedi Master Mason Quarrell. She joined the Council as a master in 24 BBY at thirty years old. She was on the Council during the Coo-Neo Crisis and the early stages of the Great Galactic War. She remained neutral on matters of Jedi Knight Scott Borek's status as the Chosen One and his assignment to confront Zell Coo-Neo his brother.