tzar Mihail Asen

http://genealogy.euweb.cz/balkan/balkan9.html

The house of Aseniden

This family apparently descends from a Wallachian boyar, who had issue a follows:

• A1. Iwan Asen I, he and his brother Peter rebelled against the Byzantines and he became Prince of northern Bulgaria (ca 1187-96), +murdered by his cousin Iwanko-Alexios 1196
  • B1. Iwan Asen II, Tsar of the Bulgarians (1218-41), *ca 1190, +1241; 1m: Anna N; 2m: 1221 Maria of Hungary, heiress of Belgrade and Branicevo (*ca 1204, +1237); 3m: 1237/38 Irene Angelina, dau.of Emperor Theodoros of Epirus
    • C8. [3m.] Marija; m.Iwan Milo, a boyar, who contended for the throne in 1258
      • D1. Iwan Asen III Mytzes, Tsar of the Bulgarians (1279-80), fled from Iwailo to the Tatars and then to Constantinople, +ca 1302; m.1278 Irene Palaiologina; their children took the surname Asan
        • E1. Michael Asanes, a military leader in Macedonia for the Byzantines, then supported Serbia
        • ...