Infanta Maria das Neves of Portugal (Portuguese: Maria das Neves Isabel Eulália Carlota Adelaide Micaela Gabriela Rafaela Gonzaga de Paula de Assis Inês Sofia Romana, Infanta de Portugal) (5 August 1852 – 15 February 1941) was the eldest child and daughter of exiled Miguel I of Portugal and his wife Adelaide of Löwenstein.^[1]

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Infanta Maria das Neves
Born	(1852-08-05)5 August 1852 Kleinheubach
Died	15 February 1941(1941-02-15) (aged 88) Vienna, Nazi Austria
Burial	Puchheim Castle
Spouse	Alfonso Carlos, Duke of San Jaime
Names Portuguese: Maria das Neves Isabel Eulália Carlota Adelaide Micaela Gabriela Rafaela Gonzaga de Paula de Assis Inês Sofia Romana
House	Braganza
Father	Miguel I of Portugal
Mother	Adelaide of Löwenstein

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Maria was born in Kleinheubach, an Infanta of Portugal and member of the House of Braganza by birth. Until the birth of her brother Miguel Januário, Duke of Braganza, Maria was titled Princess Royal of Portugal, a title of pretense, given her father had been deposed in 1834. Through her marriage to Infante Alfonso Carlos, Duke of San Jaime, Carlist claimant to the Spanish throne, Maria was titular Queen consort of Spain, France, and Navarre.

Maria married Infante Alfonso Carlos, Duke of San Jaime, second son of Infante Juan, Count of Montizón and his wife Archduchess Maria Beatrix of Austria-Este, on 26 April 1871 in Kleinheubach.^[1] Alfonso Carlos was her first cousin once removed, as Maria's father (Miguel I of Portugal) and his paternal grandmother (Infanta Maria Francisca of Portugal) were siblings. Their union produced only a son who died some hours after his birth, in 1874. They were unable to have more children and died childless.^[1] Maria died in Vienna, Austria, aged 88.

• Descendants of Miguel I of Portugal