Martin (17[1]/19[2] December 1406 – August 1407[3]) was heir apparent to the throne of Sicily.
[5] Nevertheless, the young queen's second pregnancy was successful, and he was born on 17[6] or 19[7] December 1406 in Sicily.
He was baptized Martin after his father and grandfather, King Martin of Aragon, who informed the maternal grandfather, King Charles III of Navarre, of the birth.
[11] Not only did the dowager queen's hopes fail, but the continuity of the House of Barcelona was at risk.
A few years later, the royal branch of the House of Barcelona became extinct in the legitimate male line.