Isolde Sheila Tower Butler (1925-2006) (1925–2006) Parents Isolde Butler Tower Fitz-Walter George Probyn Butler, 17th Baron Dunboyne Children Rory Penryn Monck Fiona Penryn Monck Tasha Penryn Monck Siblings Patrick Theobald Tower Butler, 18th/28th Baron Dunboyne Maureen Maude Tower Butler Doreen Synolda Tower Butler Partners Victor Robert Penryn Monk Monck