- Born in Lisbon, probably from a family with Galician origins. Cousin of Gil Vasques de Barbuda. [João2, ch. 137]
- Self-styled Master of Avis, according to Fernão Lopes. [João1, ch. 146: 12 ]
- Joins a large Castilian force gathered near Crato, Portugal, to wage war on Nuno Álvares Pereira, the Portuguese Constable, in order to avenge the defeat suffered at the Battle of Atoleiros (1384).
- Is appointed Master of Alcántara (1385-1394) by Juan I of Castile whose faction he joined during the dynastic crisis of 1383-1385. This appointment filled in the vacancy left by Gonzalo Núñez de Guzmán when he was appointed Master of Calatrava in 1385. See: Dicionario Biografico Español, Real Academia de la Historia: http://dbe.rah.es/biografias/7775/martin-yanez-de-la-barbuda [Consulted on February 6, 2020].
MartinhAnes de Barvudo
Marty Annes de Barbuda
Martim Añes de Barbuda
Martín Yáñes de Barbudo
Martín Yáñes de la Barbuda
Martinhanes
Chronicle entries in which Martim Eanes de Barbuda appears:
Crónica de D. João I, part 2, ch. 137