Joseph Ignatz SadlerJoseph Ignatz Sadler was a Czech painter.LifeSadler was born in Olomouc, and primarily painted religious-themed frescoes. acting especially in Moravia, for example the frescoes on the ceiling of the church of the Holy Trinity Church, Fulnek. He was the brother-in-law of the painter Johann Christoph Handke. He was of German minority ethnics in Moravia.