Giardelli’s work is held in many collections including the Tate, the National Museum of Wales, the National Library of Wales, Contemporary Art Society of Wales, Arts Council of Wales, Museum of Modern Art Wales, Brecknock Museum, Tenby Museum and Art Gallery together with museums and galleries in New York, Dublin, Nantes, Bratislava and Prague.
Brecknock Wildlife Trust is a wildlife trust covering the vice county of Brecknockshire in Wales.
She married John Pratt, Earl of Brecknock, eldest son of John Pratt, 4th Marquess Camden and Lady Joan Marion Nevill, on 19 October 1920 in St. Margaret's Church, Westminster, London.
William de Braose, (or William de Briouze), 4th Lord of Bramber (1144/1153 – 9 August 1211), court favourite of King John of England, at the peak of his power, was also Lord of Gower, Abergavenny, Brecknock, Builth, Radnor, Kington, Limerick, Glamorgan, Skenfrith, Briouze in Normandy, Grosmont, and White Castle.