Rose Cecilia "Rosie" Stancer (née Clayton; born 25 January 1960) is a British explorer and polar adventurer. Youth, education, family Rosie Stancer attended Butterstone House School in Scotland and then Heathfield School, Ascot. She holds an honorary degree from the University of Essex and is a Fellow of the Royal Geographical Society. She is the daughter of Lady Mary Cecilia Leveson-Gower (1917–2014) and Sir Samuel Clayton. Her maternal grandparents were Lady Rose Bowes-Lyon (an elder sister of Queen Elizabeth The Queen Mother), and William Leveson-Gower, 4th Earl Granville, naval commander, making her a first cousin, once removed, of Queen Elizabeth II. Her paternal grandfather was Brigadier-General Sir Gilbert Falkingham Clayton, British Army intelligence officer and colonial administrator. Both her grandfathers died before she was born. On 9 July 1993, she married William Wordie Stancer, with whom she has one son. Her husband’s grandfather was polar explorer James Wordie. Her own grandfather, 4th Earl Granville, had polar ambitions too, but was deemed too tall. Expeditions McVities All Women’s Penguin Polar Relay 1997 In 1997, Stancer was one of 20 amateur women selected for a place on the first all women's expedition to the North Pole, The 'McVities Penguin Polar Relay'. A relay of five teams hauled sleds of up to 150 lbs across of shifting pack ice in temperatures down to minus 40 °C. After 73 days, the final relay group made it to the North Pole. M&G ISA South Pole Expedition 1999 In 1999, Stancer and four others from the first expedition organised and managed their own expedition to the South Pole, The 'M&G ISA Challenge'. Without guides, and with one re-supply, they completed the journey from the edge of Antarctica to the South Pole in 61 days. Meteorological data was gathered en route and submitted to the Omega Foundation. Snickers South Pole Solo 2004 In the Austral summer of 2003–4, Stancer skied solo and without re-supply to the South Pole on the 'Snickers South Pole Solo 2004' expedition. Hauling a sledge more than twice her body weight for over , Stancer reached the Pole in 43 days 23 hours, a day longer than Fiona Thornewill who reached the South Pole a few days before Stancer. During the expedition Stancer gathered both meteorological and physiological data. Mars North Pole Solo 2007 In 2007, Stancer attempted to become the first woman to trek solo to the Geographic North Pole. She battled