Maria de Luna, was a queen consort of Aragon, as the spouse of King Martin I of Aragon.
Maria was the daughter and heir of the Aragonese noble Lope, Lord and 1st Count of Luna and Lord of Segorbe and Brianda de Got (or de AgasuntAgaout ) from Provence, who was related to Pope Clement V.
She was known as "Louisiana Grande" (English: The Great), and is regarded as one of the most notable queens in Aragon. She was regent 1396-1397. Maria was engaged to Martin at the age of eight, and was brought up at the court of Martin"s mother queen Eleanor.
She became queen in 1396: at the time of his accession to the throne, her spouse was on Sicily, so Maria acted as regent alongside queen dowager Violant of Bar and Matthew, Count of Foix until his return in 1397.
Maria was politically active and exerted influence upon society and policy, and was considered to exceed Martin as a ruler. She was described as wise, just, merciful, religious without being a fanatic, interested in music and literature but unimpressed by pomp and luxury.
She died of a stroke during a travel to Valencia. Maria and Martin had four children.