Second Bulgarian Tsardom · Co-ruler

Ivan Asen IV

≈Dates disputed: 1337–1349

Ivan Alexander’s son, who held an imperial title as a co-ruler.

See the sources for the dating evidence.

Sources

  1. Ian S. R. Mladjov Bulgaria (Bălgarija): kings and emperors of the Bulgarians; princes of Bulgaria and kings of the Bulgarians Ian Mladjov’s Resources, Chronologies. Author’s working chronology, updated March 2024, 6 pp. · 2024
  2. Ian S. R. Mladjov Monarchs’ Names and Numbering in the Second Bulgarian State Studia Ceranea 5 (2015), pp. 267–310. Łódź University Press. · 2015 · 5 · 267–310