Yes, didn't go that far back and missed them
Some other long ones (I didn't really go into the non-reigning 1st time)
King Michael of Romania and Anne- just short of 68th anniversary
Princess Yori of Japan and her husband-60 years
Princess Suga of Japan and her husband-57 years
Duke and Duchess of Wurtemberh- 57 years
King Simeon II and Margarita-55 years
Henri, Count of Paris (the late one, not current) and Isabelle were married for 55 years before they separated. Not sure if ever legally divorced. If not, 68 years married, though last 13 separated.
Prince Paul of Yugoslavia and Olga-54 years
King Umberto II and Maria Jose-53 years
Felix of Bourbon Parma and Grand Duchess Charlotte of Lux-51 years
Xavier of Bourbon Parma and Madeleine-50 years
Maria Francoise of Bourbon Parma and Prince Edouard- 50 years
Anne and Carlos, Duke of Calabria-50 years
Prince George of Greece and his wife Marie Bonapart celebrated 50 years days before he died