- Galician noble woman, wife of the Galician knight Fernán Becerra.
- After her first husband died, she married the Galician Juan Fernández de Andeiro, the future Count of Ourém, who received this title from King Fernando of Portugal. [Fernando, ch. 134]
- Had five children by Juan Fernández: Sancha de Andeiro, Teresa, Isabel, Inés and Ruy de Andeiro. [Fernando, ch. 134]
Maior
Dona Mayor
Doña Mayor
Chronicle entries in which Mayor [Fernandes de Moscoso] appears:
Crónica de D. Fernando, ch. 134