Infante João, Duke of Valencia de Campos
John of Portugal, occasionally surnamed Castro, was the eldest surviving son of King Peter I of Portugal by his mistress Inês de Castro. He was a potential but unsuccessful contender for the Portuguese throne during the 1383–85 crisis of succession.
From *.wikipedia.org,
General Info
.
Male
Date of Birth
January 1st, 1349
Age
677
Birth Place
Portugal, Coimbra
Date of Death
November 30th, 1396
Died Aged
47
Star Sign
Capricorn
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Relatives
Inês de Castro
Mother
John I of Portugal
Brother
Ferdinand I of Portugal
Brother
Beatrice, Countess of Alburquerque
Sister
Maria, Marchioness of Tortosa
Sister
Infante Fernando, Lord of Eça
Son
Maria Telles de Meneses
Wife
Afonso of Portugal
Son
María Brites de Portugal
Daughter
Constanza de Castilla
Wife
Peter I of Portugal
Father
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