Question: What is the date of death of Isabel Luísa, Princess Of Beira's father?
Sentence (from "Isabel Luísa, Princess of Beira"): Infanta Isabel Luísa of Portugal (6 January 1669 – 21 October 1690) was a Portuguese "infanta" and the sole daughter of Peter II of Portugal and his first wife and former sister-in-law Maria Francisca of Savoy.
Relevant evidence: Yes