John, Constable of Portugal
| Infante John | |
|---|---|
| Constable of Portugal Lord of Reguengos de Monsaraz, Colares and Belas | |
Detail from the St. Vincent Panels by Nuno Gonçalves, often believed to be a portrait of John of Reguengos, the Constable Prince. | |
| Born | 13 January 1400 Santarém, Portugal |
| Died | 18 October 1442 (aged 42) Alcácer do Sal, Portugal |
| Burial | |
| Spouse | |
| Issue Detail | |
| House | Aviz |
| Father | John I of Portugal |
| Mother | Philippa of Lancaster |
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Infante John, Constable of Portugal (Portuguese: João, Portuguese pronunciation: [ʒuˈɐ̃w]; 13 January 1400 – 18 October 1442) was a Portuguese infante (prince) of the House of Aviz, Constable of Portugal and master of the Portuguese Order of St. James (Santiago). In Portugal, he is commonly referred to as the O Infante Condestável ("the Constable Prince").