Wilhelm conceited Friedrich Christian Karl Prince from Prussia, personal signature on bread-and-butter letter with matching cover, to the character: (* 7. July 1883 in the Marble Palace, Potsdam; ++ 8. December 1942 in Potsdam) was a prussian Prince, General major as well from 1907 to 1926 the 34. Men's champion of the Order of St. John. (illustrations see online catalogue)