List of Famous people with last name Iv

Siemowit IV, also known as Siemowit IV the Younger, was a Polish prince member of the House of Piast from the Masovian branch, from 1373/74 Duke of Rawa, and after the division of the paternal inheritance between him and his brother in 1381, ruler over Rawa, Płock, Sochaczew, Gostynin, Płońsk and Wizna, since 1386 hereditary Polish vassal, since 1388 ruler over Belz, during 1382–1401 he lost Wizna and during 1384–1399 and 1407–1411 he lost Zawkrze, during 1384–1399 he lost Płońsk, taken by the Teutonic Order.

Laodice IV was a Greek Princess, Head Priestess and Queen of the Seleucid Empire. Antiochus III appointed Laodice in 193 BC, as the chief priestess of the state cult dedicated to her late mother Laodice III in Media. She later was married to three Kings of the Seleucid Empire, all her brothers.

Ramon Berenguer IV, sometimes called the Saint, was the count of Barcelona who brought about the union of the County of Barcelona with the Kingdom of Aragon to form the Crown of Aragon.

Leopold IV Frederick, Duke of Anhalt was a German prince of the House of Ascania.

Francis IV Joseph Charles Ambrose Stanislaus was Duke of Modena, Reggio, and Mirandola, Duke of Massa and Prince of Carrara, Archduke of Austria-Este, Royal Prince of Hungary and Bohemia, Knight of the Order of the Golden Fleece.

Frederick IV, Elector Palatine of the Rhine, only surviving son of Louis VI, Elector Palatine and Elisabeth of Hesse, called "Frederick the Righteous".

William IV reigned as the Grand Duke of Luxembourg from 17 November 1905 until his death. He succeeded his father, Adolphe.

Charles IV was Duke of Lorraine from 1624 until his death in 1675, with a brief interruption in 1634, when he abdicated under French pressure in favor of his younger brother, Nicholas Francis.

Heqamaatre Ramesses IV was the third pharaoh of the Twentieth Dynasty of the New Kingdom of Ancient Egypt. His name prior to assuming the crown was Amonhirkhopshef. He was the fifth son of Ramesses III and was appointed to the position of crown prince by the twenty-second year of his father's reign when all four of his elder brothers predeceased him. His promotion to crown prince:

is suggested by his appearance in a scene of the festival of Min at the Ramesses III temple at Karnak, which may have been completed by Year 22 [of his father's reign].

Wolrad IV, Count of Waldeck was a count of Waldeck and founder of the new line of Waldeck-Eisenberg.