Afonso
Lord of Leiria
Born	c. 1288
Died	c. 1300 Lisbon
House	Portuguese House of Burgundy
Father	Afonso of Portugal, Lord of Portalegre
Mother	Violante Manuel

Afonso of Portugal (c. 1288 – Lisbon, c. 1300; Portuguese pronunciation: [ɐˈfõsu]; English: Alphonzo or Alphonse) was a Portuguese noble, son of Afonso of Portugal, Lord of Portalegre and his wife Violante Manuel. He was granted the title of Lord of Leiria. Afonso of Portugal died in 1300 when he was about twelve years of age without having married and without leaving any offspring.

References

Notes

Bibliography

González-Doria, Fernando (2000). Diccionario heráldico y nobiliario de los Reinos de España (1ª ed.). San Fernando de Henares (Madrid): Ediciones Trigo S. L. ISBN 84-89787-17-4.
De Loaysa, Jofré (1982). García Martínez, Antonio (ed.). Crónicas de los Reyes de Castilla Fernando III, Alfonso X, Sancho IV y Fernando IV (1248-1305) (in Latin and Spanish) (2nd ed.). Murcia: Academia Alfonso X el Sabio. ISBN 84-00-05017-7.
Menéndez Pidal de Navascués, Faustino (1982). Instituto Luis de Salazar y Castro (ed.). Heráldica medieval española. Vol. I: La Casa Real de Castilla y León. Hidalguía. ISBN 84-00-05150-5.
Menezo Otero, Juan José (2005). Reinos y Jefes de Estado desde el 712 (5ª ed.). Madrid: Historia Hispana. ISBN 84-604-9610-4.

v t e Infantes of Portugal
The generations indicate descent from Afonso I, and continues through the House of Aviz, the House of Habsburg through Infanta Isabel, Holy Roman Empress and Queen of Spain, and the House of Braganza through Infanta Catarina, Duchess of Braganza.
1st generation	Sancho I
2nd generation	Afonso II Infante Pedro, Count of Urgell Infante Fernando, Count of Flanders
3rd generation	Sancho II Afonso III Infante Fernando, Lord of Serpa
4th generation	Dinis I Infante Afonso, Lord of Portalegre
5th generation	Afonso IV Infante Afonso, Lord of Leiria
6th generation	Pedro I
7th generation	Fernando I Infante João, Duke of Valencia de Campos Infante Dinis, Lord of Cifuentes
8th generation	Duarte I Infante Pedro, Duke of Coimbra Infante Henrique, Duke of Viseu Infante João, Constable of Portugal Infante Fernando
9th generation	Afonso V Infante Fernando, Duke of Viseu Infante Pedro, Constable of Portugal Infante João, Prince of Antioch Cardinal-Infante Jaime of Coimbra Infante Diogo, Constable of Portugal
10th generation	João, Prince of Portugal João II Infante João, Duke of Viseu Infante Diogo, Duke of Viseu Manuel I
11th generation	Afonso, Hereditary Prince of Portugal Miguel da Paz, Prince of Portugal and Asturias* João III Infante Luís, Duke of Beja Infante Fernando, Duke of Guarda Cardinal-Infante Afonso Henrique I (The Cardinal-King) Infante Duarte, Duke of Guimarães
12th generation	Afonso, Prince of Portugal Manuel, Prince of Portugal Filipe, Prince of Portugal João Manuel, Prince of Portugal Infante Duarte, Duke of Guimarães
13th generation	Sebastião I Diogo, Prince of Portugal and Asturias§ Filipe II§ Manuel, Hereditary Prince of Portugalƒ
14th generation	Filipe III§ Infante Carlos§ Cardinal-Infante Fernando§ Infante Alonso§
15th generation	Baltasar Carlos, Prince of Portugal and Asturias§ Teodósio, Prince of Brazil Afonso VI Pedro II
16th generation	João, Prince of Brazil João V Infante Francisco, Duke of Beja Infante António Infante Manuel, Count of Ourém
17th generation	Pedro, Prince of Brazil José I Infante Carlos Pedro III Infante Alexandre
18th generation	None
19th generation	José, Prince of Brazil João VI
20th generation	Francisco António, Prince of Beira Pedro I of Brazil & IV of Portugal Miguel I Infante Pedro Carlos#
21st generation	João Carlos, Prince of Beira Pedro II of Brazil‡ Infante Miguel, Duke of Braganzaƒ Infante Sebastião#
22nd generation	Pedro V¶ Luís I¶ Infante João, Duke of Beja¶ Infante Fernando¶ Infante Augusto, Duke of Coimbra¶ Infante Miguel, Duke of Viseuƒ◙ Infante Francisco Joséƒ◙ Infante Duarte Nuno, Duke of Braganzaƒ◙
23rd generation	Carlos I¶ Infante Afonso, Duke of Porto¶ Infante Duarte Pio, Duke of Braganzaƒ Infante Henrique, Duke of Coimbraƒ
24th generation	Luís Filipe, Prince Royal¶ Manuel II¶ Afonso, Prince of Beiraƒ
* also an infante of Castile and León, Aragon, Sicily and Naples, § also an infante of Spain and an archduke of Austria, # also an infante of Spain, ‡ also an imperial prince of Brazil, ¶ also a prince of Saxe-Coburg and Gotha, Duke in Saxony, ◙ also a prince of Braganza, ¤ title removed in 1920 as their parents' marriage was deemed undynastic, ƒ claimant infante