Isabel Luísa, Princess of Beira
| Isabel Luísa | |||||
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| Princess of Beira | |||||
Portrait of Infanta Isabel Luísa by Duprà, 1725 | |||||
| Born | 6 January 1669 Ribeira Palace, Lisbon, Kingdom of Portugal | ||||
| Died | 21 October 1690 (aged 21) Palhavã, Lisbon, Kingdom of Portugal | ||||
| Burial | |||||
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| House | House of Braganza | ||||
| Father | Peter II of Portugal | ||||
| Mother | Maria Francisca of Savoy | ||||
Infanta Isabel Luísa Josefa of Portugal (6 January 1669 – 21 October 1690) was the only child of Peter II of Portugal and his first wife and former sister-in-law, Maria Francisca of Savoy. She was the heiress presumptive to the throne of Portugal between 1674 and 1689, when her half-brother John was born. As such, she was styled Princess of Beira.