Person Duke of Viseu grand master of the Order of Christ lord of Madeira
Diogo, Duke of Viseu
D. Diogo
Duke of Viseu · grand master of the Order of Christ · lord of Madeira · noble · lord-proprietor of Madeira
Son of the Infanta D. Beatriz, Duke of Viseu and grand master of the Order of Christ, who held the lordship of Madeira under his mother's guardianship.
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- Fortifications — Son of Infanta Beatriz, lord of Madeira under her guardianship.
- Campo do Duque — Duke of Viseu and grand master of the Order of Christ with jurisdiction over Madeira.
- Beatriz (Dona) — Son of D. Beatriz and Grand Master of the Order of Christ.
- Aguiar (Dom Nuno) — Grand master of the Order of Christ, lord of Madeira, under his mother's tutelage.
- Order of Christ — Duke of Viseu and grand master; his mother acted as tutor on his behalf.
- St Francis in Funchal (convent) — Duke and grand master of the Order of Christ, to which Madeira then belonged.
- Silva (family) — Portuguese prince and Duke of Viseu, in whose household Jordão de Freitas served.
