Mary of Teck was the queen consort of King George V as well as the Empress of India. Before her accession, she was successively Duchess of York, Duchess of Cornwall and Princess of Wales. By birth, she was a princess of Teck, in the Kingdom of Württemberg, with the style Her Serene Highness. To her family, she was informally known as May, after her birth month. Queen Mary was known for setting the tone of the British Royal Family, as a model of regal formality and propriety, especially during state occasions. She was the first Queen Consort to attend the coronation of her successors. Noted for superbly bejewelling herself for formal events, Queen Mary left a collection of jewels now considered priceless.