Alfonso de Borbón y Borbón
Alfonso de Borbón y Borbón (15 November 1866 – 28 April 1934) was a Spanish nobleman and a great-great-grandson of King Charles III of Spain. He is known for having had 88 forenames, recognised as a record for a historical royal person by Guinness World Records.
Source: Wikipedia — Alfonso de Borbón y Borbón (CC BY-SA 4.0)