Prince Karl Anton of Hohenzollern
Prince Karl Anton of Hohenzollern- Sigmaringen( 1 September 1868 – 21 February 1919) was a member of the Princely House of Hohenzollern- Sigmaringen.
Karl Anton was the third and youngest son of Leopold, Prince of Hohenzollern and his wife Infanta Antónia of Portugal.
Karl Anton's elder brothers were William, Prince of Hohenzollern and Ferdinand I of Romania.
Afonso, Prince of Portugal (1526)
Afonso, Prince of Portugal was the first son of king John III of Portugal and his queen, Catherine of Austria.
He was the Prince of Portugal but died in the same year he was born, in 1526.
Mark Portugal
Mark Steven Portugal( born October 30, 1962) is a former Major League Baseball pitcher who played in the major leagues from 1985 to 1999.
Julian Portugal
Julian Portugal( born August 26, 1992) is a professional Mexican- Spanish footballer who plays as a midfielder.
Teresa Lourenço
Teresa Gille Lourenço( Lisbon, 1330 –?), was the lover of King Peter I of Portugal and mother of King John I of Portugal.
Urraca of Portugal
Urraca of Portugal(( Coimbra, 1148 – Wamba, Valladolid, 1211) was an infanta of Portugal, daughter of Afonso Henriques, the first king of Portugal, and his wife, Queen Maud of Savoy.
She was queen consort of León as the wife of King Ferdinand II and the mother of Alfonso IX.
Minamoto no Chikako
She was the mother of Prince Morinaga.
Infanta Antónia of Portugal
Infanta Antónia of Portugal (or of Braganza; ; "Antónia María Fernanda Micaela Gabriela Rafaela Francisca de Assis
Ana Gonzaga
Silvéria Júlia Augusta de Saxe-Coburgo e Bragança"; 17 February 1845 – 27 December 1913) was a Portuguese "infanta" (princess) of the House of Braganza, daughter of Queen Maria II of Portugal and her King consort Ferdinand II of Portugal.
Through her father, she also held the titles of Princess of Saxe-Coburg and Gotha and Duchess of Saxony.
Maria II of Portugal
"Dona" Maria II (4 April 1819 – 15 November 1853) "the Educator"  or "the Good Mother" , reigned as Queen of Portugal from 1826 to 1828, and again from 1834 to 1853.
Born in Rio de Janeiro, she was the first child of Emperor Pedro I of Brazil and his first wife, Empress Maria Leopoldina, and thus a member of the House of Braganza.
One of the two surviving children born when Pedro was still heir apparent to Portugal, she inherited Portuguese titles and was placed in the line of succession to the former Portuguese throne, even after becoming a member of the Brazilian Imperial Family, from which she was excluded in 1835 after her definitive ascension to the Portuguese throne.
William, Prince of Hohenzollern
William, Prince of Hohenzollern( 7 March 1864 in Schloss Benrath, near Düsseldorf – 22 October 1927 in Sigmaringen) was the eldest son of Leopold, Prince of Hohenzollern and Infanta Antónia of Portugal.
William was an older brother of Ferdinand of Romania.
His maternal first cousins included( among others)
Carlos I of Portugal, Infante Afonso, Duke of Porto, Frederick Augustus III of Saxony, and Princess Maria Josepha of Saxony.
Between 1880 and 1886, William was heir presumptive to the Romanian throne.
On 20 December 1886, he renounced his rights to the throne in favor of his brother Ferdinand.

Question: What is the place of birth of Infanta Antónia Of Portugal's mother?
Answer: Rio de Janeiro