NEED TO KNOW Maurice Tempelsman, international diamond czar and Jacqueline Kennedy Onassis’ final partner, has died at the age of 95 Tempelsman's family said in a statement that he died on Saturday, Aug. 23 He is survived by his three children, six grandchildren and seven great-grandchildren Maurice Tempelsman, diamond czar and the former first lady Jacqueline Kennedy Onassis’ final beau, has died. He was 95. The diamond baron died on Saturday, Aug. 23, due to complications from a fall, his son, Leon, said, per The New York Times. Tempelsman was born on Aug. 26, 1929, in Antwerp, Belgium. His family,...