King George V and Queen Mary of Teck, the grandparents of Queen Elizabeth II. My great, great grandfather was King George's personal valet. Once he married Mary, King George kept him on under a different job title.
The crown jewels, part of the Royal Collection, are powerful symbols of the British Monarchy. The crown, made by Gerrard & Co, used to contain the Koh-i-Noor diamond as well as the Cullinan III and the Cullinan IV.