His grandmother lived in Tübingen until 1924, including Dietrich Bonhoeffer’s first two semesters. She then moved to be near her children in Berlin. Her ninetieth birthday, on 21 August 1932, was a grand summer party for her children, grandchildren, and great-grandchildren in Friedrichsbrunn. Christoph von Dohnanyi, not yet two years of age, recited a verse for his great-grandmother: When you were once as small as me One rode upon a steed; When I am someday old as you we’ll travel to the moon.… She