Marsander is the youngest child of the Soza family.

At the Symposium of Wonders, he was a member of the Golden Eagles, and was often at loggerheads with the White Gryphons. He and Tobias nearly came to violent blows following a stairball match in which Marsander allegedly cheated in the process of defeating the Gryphons. He and Darvis also squared off over Marsander’s perceived bullying of Bini.