William Lamb, Viscount Melbourne, Prime Minister twice in our Regency Era, and once for Victoria. His wife was famous for having an affair with Lord Byron. Falling out with Lord Durham over Canada mission, 1838 (?
Marie Poutine's Jewels & Royals: Floral and Leafy Diadems. The various elemnts are mounted with tiny springs (the technique called "en tremblant". This results in the tiara being seemingly alive, because the pieces tremble, as the wearer moves.