Felipe de Marichalar y Borbón was born on 17 July 1998 at Ruber International Hospital in Madrid.

[4] Until the age of twelve, he studied at the Colegio San Patricio in Madrid, but due to his bad grades (although without repeating academic courses), his parents decided that he should attend a boarding school in England.

On 9 April 2012, Felipe de Marichalar accidentally shot himself in his right foot while he was on a farm of his father's family in Garray (Soria).

[6] At the beginning of summer 2014, he was admitted to the Sagrada Familia Episcopal College of Sigüenza, from which he graduated from ESO the following year.

[8] Froilán will work for the ADNOC oil company, owned by the Minister of Advanced Technology of the United Arab Emirates, Sultan Ahmed Al-Jaber.