Violant of Hungary
Violant of Hungary (c. 1215–1251), also called Yolanda, was queen of Aragon and the only child of King Andrew II of Hungary and Yolanda of Courtenay. She married King James I of Aragon in 1235 as his second wife, his first marriage having been annulled in 1229.
She became his trusted advisor and accompanied him on campaign. Of her ten children, Peter III inherited Aragon and James II received Majorca, while daughters Violant and Isabella became queens of Castile and France. She died in 1251 and was buried at Vallbona Abbey.