Infanta Sofia of Spain

The Infanta Sofía of Spain  is the second child of Felipe, Prince of Asturias and his wife Princess Letizia. As the daughter of the heir to the throne, she is styled and titled Her Royal Highness, Infanta of Spain. She has an older sister, Infanta Leonor and is third in the line of succession to the Spanish throne after her father and older sister.

She was born at 4:50 pm in the Ruber International Clinic in Madrid by means of a caesarean section, two days after Letizia's due date. She weighed 3.3 kg (7 lbs. 4 oz.) and was 50 cm (19.6 inches) long at birth. Like her elder sister, her birth was announced by the Royal Family to the press via SMS. It was announced that her umbilical cord cells would be sent to a European private bank and to a Spanish public one for future prevention of diseases. The couple did the same practice with Infanta Leonor's cells that were taken to a private center in Arizona, which caused controversy in Spain.

The Infanta was named after her paternal grandmother, Sofía of Greece and Denmark. Likewise, her grandmother, Queen Sofía of Spain, is named after her paternal grandmother, Sophie of Prussia. She was christened on 15 July in the gardens of the Palacio de la Zarzuela. Her godparents are Paloma Rocasolano (her maternal grandmother) and The Prince of Vidin. Like her sister, she was given one name, with the additional name of de Todos los Santos (of All the Saints), at her christening, a Bourbon tradition.