Peter I of Portugal, King of Portugal

1320 - 1367  (46 years)

• Name	Peter I of Portugal  [1, 2, 3]
  Suffix	King of Portugal
  Birth	8 Apr 1320	Coimbra, Coimbra, Portugal   [2]
  Gender	Male
  Also Known As	"Pedro o Cruel"  [2]
  Also Known As	"Pedro o Justo"  [2]
  Also Known As	"Peter the Cruel"  [2]
  Also Known As	"Peter the Just"  [2]
  Also Known As	Pedro I of Portugal  [2]
  Title	28 May 1357–18 Jan 1367  [1]
  	King of Portugal
  Death	18 Jan 1367	Estremoz, Evora, Portugal   [2]
  Burial	Alcobaça Monastery, Alcobaça, Leiria, Portugal   [2, 3]
  Person ID	I987	Trastámara Genealogy
  Last Modified	11 May 2025

  
  

  Father	Afonso IV of Portugal,   b. 8 Feb 1291, Lisbon, Lisboa, Portugal
  Mother	Beatrice of Castile,   b. 1293   d. 1359 (Age 66 years)
  Family ID	F41	Group Sheet  |  Family Chart

  
  

  Family 1	Constanza Manuel, Queen of Castile and León,   b. Abt. 1318, Castillo de Garcimuñoz, Cuenca, Castilla-La Mancha, Spain d. 27 Jan 1349, Santarém, Santarem, Portugal (Age ~ 31 years)
  Marriage	24 Aug 1340  [2]
  Children	1. Maria of Portugal, Marchioness of Tortosa,   b. 6 Apr 1342, Évora, Evora, Portugal d. 1377, Genoa, Genova, Liguria, Italy (Age 34 years)   2. Luis of Portugal,   b. 1344, Coimbra, Coimbra, Portugal d. 1344, Coimbra, Coimbra, Portugal (Age 0 years)   3. Ferdinand of Portugal, King of Portugal,   b. 31 Oct 1345, Coimbra, Coimbra, Portugal d. 22 Oct 1383, Lisbon, Lisboa, Portugal (Age 37 years)   4. unknown daughter of Portugal,   b. 1349, Coimbra, Coimbra, Portugal d. 1349, Coimbra, Coimbra, Portugal (Age 0 years)
  Family ID	F374	Group Sheet  |  Family Chart
  Last Modified	11 May 2025

  
  

  Family 2	Inês de Castro,   b. 1325, Galicia, Spain d. 7 Jan 1355, Coimbra, Coimbra, Portugal (Age 30 years)
  Marriage	Abt. 1354	Coimbra, Coimbra, Portugal   [2]
  Children	1. Afonso of Portugal,   b. 1350, Coimbra, Coimbra, Portugal d. 1350, Coimbra, Coimbra, Portugal (Age 0 years)   2. John of Portugal, Duke of Valencia de Campos,   b. Abt. 1352, Coimbra, Coimbra, Portugal d. Abt. 1396 (Age ~ 44 years)   3. Denis of Portugal, Lord of Cifuentes,   b. Abt. 1353, Coimbra, Coimbra, Portugal d. Abt. 1403 (Age ~ 50 years)   4. Beatrice of Portugal,   b. Abt. 1354, Coimbra, Coimbra, Portugal d. 1381 (Age ~ 27 years)
  Family ID	F376	Group Sheet  |  Family Chart
  Last Modified	11 May 2025

  
  

  Family 3	Teresa Lourenço,   b. Abt. 1330, Lisbon, Lisboa, Portugal
  Children	+ 1. John I of Portugal, King of Portugal,   b. 11 Apr 1357, Lisbon, Lisboa, Portugal d. 14 Aug 1433, Lisbon, Lisboa, Portugal (Age 76 years)
  Family ID	F368	Group Sheet  |  Family Chart
  Last Modified	9 May 2025

  
  

• Photos

  Peter I of Portugal, King of Portugal

  
  

• Sources

  [S82] "John I of Portugal," Wikipedia, last modified 19 Apr 2025, https://en.wikipedia.org/wiki/John_I_of_Portugal. [S86] "Peter I of Portugal," Wikipedia, last modified 16 Jan 2025, https://en.wikipedia.org/wiki/Peter_I_of_Portugal. [S87] "Inês de Castro," Wikipedia, last modified 6 Apr 2025, https://en.wikipedia.org/wiki/Inês_de_Castro.