Juan Sánchez de Aranda is not a known son of Jaime II el Justo, rey de Aragón & Blanca de Nápoles, reina consorte de Aragón
..but is exactly the same copy profile as this near unsourced --> Juan Sánchez de Aranda
The merge that brought him up here in the early Middle Ages is this fresh 2021 DUP tree:
*https://www.geni.com/merge/view?revision_id=80278931840
by Luis E. Echeverría Domínguez, Voluntary Curator
..it also brings with it another BRO profile of which I cannot find sources .. yet it's even MP! --> Pedro Fernández Sánchez de Aranda, El Viejo
Source PLZ