After the death of her father's father, Kunigunda's family relocated to Hungary, where her mother's father, Béla IV of Hungary, made her father governor of certain Serbian-speaking regions in the Danube Valley.
Setelah kematian ayahnya, keluarga Kunhuta berlokasi di Hongaria, dimana kakek maternalnya, Béla IV dari Hongaria, membuat ayahnya gubernur dari sejumlah wilayah yang berbicara bahasa Serbia di Lembah Danube.