Ernst Welker ( 1788 - 1857 ) was an Austrian painter. Ernst Welker s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 115.2 USD for View of the Lake of Killarney in Ireland in 2005 to 2073.31 USD for Moine et gentilhomme discutant près de la tombe du Tasse in 2007 , based on the size and medium of the artwork.