Diana Rhona Tuck (1932-2015) (1932–2015) Parents Gerald Seymour Tuck Ida Rhona Jessie Causton Children Charles Gerald Alexander Younger Andrew Seymour Robert Younger Joanna Rosalind Younger James Younger, 5th Viscount Younger of Leckie Siblings Rachel Geraldine Tuck Partners George Younger, 4th Viscount Younger of Leckie