[2] Her marriage with King Andrew II, whose first wife, Gertrude had been murdered by conspirators on 28 September 1213, was arranged by her uncle, the Emperor Henry I.
[4][5] Their marriage was celebrated in February 1215 in Székesfehérvár and John, Archbishop of Esztergom crowned her queen consort.
However, Bishop Robert of Veszprém sent a complaint to Pope Innocent III, because the coronation of the queens consort in Hungary had been traditionally the privilege of his see.
[2] Following her uncle's death on 11 July 1216, her husband was planning to acquire the imperial crown for himself, but the barons of the Latin Empire proclaimed her father emperor, instead.
[2] For instance, she received several letters from the Pope, Honorius III, and at some points granted land to citizens.