Gertrude of Merania, the queen consort of Hungary as the first wife of King Andrew II, was assassinated by a group of Hungarian lords on 28 September 1213 in the Pilis Mountains during a royal hunting
Murder of Gertrude, depicted the 9th painting of Life of St. Elisabeth of Hungary cycle in Heiligen-Geist-Hospital, Lübeck (15th century)
Contemporary depiction of Queen Gertrude and King Andrew II, Landgrafenpsalter [de], Thuringia, c. 1213
Andrew II depicted in Illuminated Chronicle
Queen Gertrude of Merania, as depicted in mid-14th century Hedwig Codex
Berthold was the count of Andechs from 1204, the archbishop of Kalocsa from 1206 until 1218, and the patriarch of Aquileia from 1218 until his death.
Assassination of Gertrude of Merania
…of Hungarian lords on 28 September 1213 in the Pilis Mountains during a royal hunting expedition. Leopold VI, Duke of Austria and Gertrude's brother Berthold, Archbishop of Kalocsa were also wounded but survived the attack. The assassination became one of the most high-profile criminal cases in the history…
Berthold together with his parents and sisters (Hedwig Codex)
Berthold ordered the construction of Udine Cathedral after 1238