Apart from his British titles he was also a Baron in the Portuguese nobility, a title inherited from his father Baron Hermann de Stern. Lord Michelham was succeeded by his eldest son, the second Baron. His younger brother died before him and on his death in 1984 the titles became extinct.
Lord Michelham held both British and Portuguese noble titles. He inherited his British title from his father, Baron Hermann de Stern.  His eldest son succeeded him as the second Baron. His younger brother died before him, leading to the extinction of the titles upon his passing in 1984.