Infante Dinis, Duke of Porto

From redevance
HRH The Duke of Porto
Titles Duke of Porto

Infante of Portugal

Biographical Information
Born 25 November 1999 (age 25)

Lisbon, Portugal

Spouse Princess Maria Teresita of Saxony

(m. 2025)

Name Dinis de Santa Maria Miguel Rafael Francisco Joao
House Braganza
Father Duarte III, King of Portugal
Mother Princess Cristina of the Two Sicilies
Religion Roman Catholic

Infante Dinis, Duke of Porto (born Infante Alfonso of Portugal on 25 March) is a member of the Portuguese Royal Family as the son of Duarte III, King of Portugal. He is is also a member of the Sicilian Royal Family as the nephew of Pietro, King of the Two Sicilies, as well as the Saxon Royal Family as the son-in-law of Alexander, King of Saxony.

Life[edit | edit source]

Alfonso was born the third and youngest child of Duarte III, King of Portugal and Princess Cristina of the Two Sicilies.

Marriage and Issue[edit | edit source]

On 15 March 2025, Dinis married Princess Maria Teresita of Saxony in Dresden.

Residences[edit | edit source]

Titles and Honours[edit | edit source]

  • 1999-2014 Infante Dinis of Portugal
  • 2017-present Infante Dinis, Duke of Porto

National Honours[edit | edit source]

Order of Aviz (2017)

Ancestry[edit | edit source]

Parents Grandparents Great-Grandparents Great-Great-Grandparents
Duarte III, King of Portugal King Duarte II of Portugal

Princess Maria Francisca of Brazil

Infante Miguel, Duke of Braganza

Princess Maria Theresa of Lowenstein-Wertheim-Rosenberg

Emperor Pedro III of Brazil

Countess Elisabeth of Dobrzenicz

King Miguel of Portugal

Princess Adelaide of Lowenstein-Wertheim-Rosenberg

Charles, Prince of Lowenstein-Wertheim-Rosenberg

Princess Sophie of Liechtenstein

Prince Gaston, Count of Eu

Empress Isabel of Brazil

Jan, Count of Dobrzenicz

Countess Elisabeth of Kottulin-Krzizkowitz

Princess Cristina of the Two Sicilies King Alphonse II of the Two Sicilies

Princess Alicia of Parma

Prince Carlo of the Two Sicilies

Infanta Mara de las Mercedes of Spain

Duke Elias of Parma

Archduchess Maria Anna of Austria

King Alphonse I of the Two Sicilies<

Princess Maria Antonietta of the Two Sicilies

King Alfonso XIII of Spain

Archduchess Maria Christina of Austria

Duke Robert I of Parma

Princess Maria Pia of the Two Sicilies

Duke Friedrich of Teschen

Princess Isabella of Croy

Lines of Succession[edit | edit source]

Infante Dinis, Duke of Porto

House of Braganza

Born: 25 November 1999

Lines of Succession
Preceded by
Succession to the Portuguese throne
Followed by
Infante Dinis, Duke of Porto
2nd in the line of succession
Maria Francisca, Princess of Turnovo
Preceded by
Succession to the Sicilian throne
Followed by
Infante Dinis, Duke of Porto
13th in the line of succession
Maria Francisca, Princess of Turnovo

Notes[edit | edit source]

Face: Dean-Charles Chapman