He would have been roughly age 17 on 30 June 1484 when he was named moço fidalgo (young nobleman; a minor title then commonly granted to young nobles) by King Dom João II.
Ar fi avut cam 17 ani la 30 iunie 1484 când a fost numit moço fidalgo (nobil paj; titlu minor acordat pe atunci tinerilor nobili) de regele João al II-lea.