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