Quzman's Family Tree is a major sidequest in Baten Kaitos: Eternal Wings and the Lost Ocean. Started early in the game, the goal of the quest to fill out the family tree of a 100 year old Pherkad resident named Quzman by tracking down his family members scattered throughout the world. Quzman, the patriarch of the family, gives you the Family Tree as a quest magnus to be signed by his relatives. Everyone in Quzman's family wears a specific kind of bracelet that helps distinguish them from other persons.
In order of likely signing:
Magnus are awarded for each bloodline completed as well as the entire tree.