Katharina von Bora Philipp Melanchthon thought that Luther's marriage would hurt the Reformation because of potential scandal. Luther eventually came to the conclusion that "his marriage would please his father, rile the pope, cause the angels to laugh, and the devils to weep." Martin Luther married Katharina on June 13, 1525, before witnesses including Justus Jonas, Johannes Bugenhagen, and Barbara and Lucas Cranach the Elder.They held a wedding breakfast the next morning with a small company. Two weeks later, on June 27, they held a more formal public ceremony, presided over by Bugenhagen. Von Bora was 26 years old, Luther 41. The couple
Katharina von Bora children were adults. After Katharina's death, the Black Cloister was sold back to the university in 1564 by his heirs. Hans studied law and became a court advisor. Martin studied theology but never had a regular pastoral call. Paul became a physician. He fathered six children and the male line of the Luther family continued through him to John Ernest Luther, ending in 1759. Margareta Luther, born in Wittenberg on December 27, 1534, married into a noble, wealthy Prussian family, to Georg von Kunheim (Wehlau, July 1, 1523 – Mühlhausen, October 18, 1611, the son of Georg von Kunheim (1480–1543)