. . . . . . "Ivan Asen III
of Bulgaria" . "Ivan Asen" . . . . . . . . . . . "Asen" . "1303" . . . . . "Ivan Asen III of Bulgaria" . . . . . . "1259" . "John III of Bulgaria" . . . . . . "Ivan Asen III" . . . "1280" . . "Ivan Asen III of Bulgaria" . "1279" . . . . . .