Kantakouzenos Καντακουζηνός Cantacuzenus | |
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Noble family | |
Country | Byzantine Empire Despotate of Morea |
Founded | 11th century 1347 (as imperial family) |
Founder | John Kantakouzenos John VI Kantakouzenos (first emperor) |
Final ruler | Matthew Kantakouzenos (Byzantine throne) Demetrios I Kantakouzenos (Despotate of Morea) |
Titles | |
Deposition | 1357 (Byzantine throne) 1383 (Despotate of Morea) |
Cadet branches | Cantacuzino |
The House of Kantakouzenos (pl. Kantakouzenoi; Greek: Καντακουζηνός, pl. Καντακουζηνοί; feminine form Kantakouzene; Καντακουζηνή), also found in English-language literature as Cantacuzenus or Cantacuzene, was a Byzantine Greek noble family that rose to prominence in the middle and late Byzantine Empire. The family became one of the empire's wealthiest landowners and provided several prominent governors and generals, as well as two Byzantine emperors between 1347–1357.
In the mid-14th century, the Kantakouzenoi challenged the rule of the Palaiologos dynasty and nearly established themselves as the new imperial family. After the death of Andronikos III Palaiologos, his underage son, John V, inherited the throne. The first civil war broke out between 1341–1347 with the Empress, the Patriarch, and Apokaukos on one side against the powerful Grand domestic John VI Kantakouzenos on the other. Initially victorious, John VI was proclaimed senior emperor (alongside John V) and attempted to consolidate his family on the throne; he also proclaimed his son Matthew as co-emperor in 1353. Wanting to seize power for himself, John V initiated a second civil war between 1352–1357 in which he emerged victorious as the sole Byzantine emperor, decisively deposing the Kantakouzenoi from the throne. The family continued to hold important titles in the empire maintaining their position as depots of Morea until 1383. The Kantakouzenoi intermarried extensively with other Byzantine noble families such as the Palaiologoi, the Philanthropenoi, the Asen, and the Tarchaneiotes.