His widow Audacia and his son Gunzelin III released Otto I, after he had confirmed the agreement he had reached with Henry I. On 3 December 1228, Pope Gregory IX asked Audacia to release the three sons of Valdemar II she was still holding prisoner.
Jandanya Audacia dan putranya Gunzelin III melepaskan Otto I, setelah dia memastikan kesepakatan yang telah dia dapatkan dengan Heinrich I. Pada tanggal 3 Desember 1228, Paus Gregorius IX meminta Audacia untuk melepaskan ketiga putra Valdemar II yang masih ditahan.