Margaret of Prades

She was the daughter of Peter of Aragon, Baron of Entenza (1352–1395), and his wife, Joana of Cabrera.On 17 September 1409, Margaret married King Martin of Catalonia-Aragon, a second cousin of her father.

The bride was about fourteen years old and the groom fifty-three.

His death led to a two-year interregnum, which was ended by the Pact of Caspe, in which Ferdinand I of Aragon, younger son of Martin's sister Eleanor, was chosen as the next king.

In secret, she gave birth to a son in 1416, whose name was Joan Jeroni de Vilaragut (1416–1452).

[2] Her second husband John died in 1422 and Margaret entered the monastery of Bonrepòs in La Morera de Montsant.