Kaliman I of Bulgaria

Kaliman Asen I, also known as Coloman Asen I or Koloman (; 1234-August/September 1246) was Emperor (Tsar) of Bulgaria from 1241 to 1246. He was the son of Ivan Asen II of Bulgaria and Anna Maria of Hungary. He was only seven when he succeeded his father in 1241. In the following years, the Mongols invaded Bulgaria and imposed a yearly tax on the country. He may have been poisoned, according to contemporaneous rumors about his death. Early life Kaliman was the son of Ivan Asen II of Bulgaria and Anna Maria of Hungary. He was born in 1234. His mother died before 1237, when his widowed father married Irene Komnene Doukaina. Ivan Asen also died in the first half of 1241. Reign