In 1409 Martin I of Sicily died without surviving issue (although he had had one short lived son from each of his two wives). The next year, his father, who had succeeded him as Martin II, King of Sicily, died childless.
Option A) Martin I’s elder son, Pedro Fadrique, was killed by a spear wound to the head during a hunt.

confused:. Who takes an infant with them on a hunt?). The boy’s death plunged his mom into such a depression that she gave up the will to live, it seems, dying soon after.
Option B) Martin I’s younger son, Martin, (by his second wife, Blanca I of Navarre), survives whatever killed him at the age of a few months.
Option C) Now there had been a plan – at least according to the venerable Wikipedia – to have Martin I’s illegitimate son, Fadrique, legitimated and crowned king.
It seems that Yolande of Aragon, Duchesse d’Anjou was on board with this idea, since her mother, the Queen Dowager of Aragon, had formerly offered one of her daughters, Marie .(b.1402), or Yolande (b.1412) for Martin I’s sons while they’d lived, with the intention of seeing a grandchild on the Aragonese throne.
What does the survival of the House of Barcelona mean for Mediterranean/European politics?