List of Famous people with last name Iv

Constantine IV, called the Younger and sometimes incorrectly Pogonatos out of confusion with his father, was Byzantine Emperor from 668 to 685. His reign saw the first serious check to nearly 50 years of uninterrupted Islamic expansion, while his calling of the Sixth Ecumenical Council saw the end of the monothelitism controversy in the Byzantine Empire.

Tudhaliya IV was a king of the Hittite Empire, and the younger son of Hattusili III. He reigned c. 1237–1209 BCE. His mother was the great queen, Puduhepa.

Frederick IV was the reigning Duke of Holstein-Gottorp.

Kamehameha IV February 9, 1834 – November 30, 1863), reigned as the fourth monarch of Hawaii under the title Ke Aliʻi o ko Hawaiʻi Pae ʻAina of the Kingdom of Hawaii from January 11, 1855 to November 30, 1863.

Ermengol IV (1056–1092), called el de Gerb or Gerp, was the Count of Urgell from 1066 to his death. He was the son of Ermengol III and Adelaide, whose family is not known, even if some scholars made her daughter of Guillem I, Count of Besalu.

Stephen Van Rensselaer, known as the "Young Patroon" and sometimes the "last of the patroons" was the last patroon of Rensselaerswyck.

Baldwin IV, called the Bearded, was the count of Flanders from 987 until his death.

Guigues IV, called le Dauphin, was the count of Albon from 1133. He was the first to take the name Dauphin, meaning "dolphin", which became a title among his successors.

Egino IV, also written as Egeno or Egon, and called the Bearded, was Count of Urach from 1181 to 1230 and co-ruler of the County of Frieburg with his son Egino V from 1218 to 1230.