10th Earl of Stamford, Roger Grey inherited the estate at the age of 13. Passionate about re-assembling the collections that had been dispersed by the 7th Earl, Roger dedicated his adult life to preserving Dunham Massey

He only gained the management of the estate in 1917 – at the age of 21

1915: After the First World War broke out, Dunham Massey was offered for military use and became the Stamford Military Hospital. The saloon was transformed into a ward complete with around 53 beds. Nearly 300 patients were treated at Dunham Massey by a team of nurses that included the daughter of the house, Lady Jane Grey.

Took his seat in the House of Lords in 1919 – not a regular there

Moved in the circle of Ramsey MacDonald-one of the three principal founders of the Labour Party in 1900.

Staunch supporter of the League of Nations – The League of Nations was the first worldwide organisation whose principal mission was to maintain world peace. Founded on 10 January 1920 by the Paris Peace Conference that ended the first World War. The main organization ceased operations on 20 April 1946 but many of its components were relocated into the new United Nations.

Friend of Haile Selassie I of Ethiopia – https://en.wikipedia.org/wiki/Haile_Selassie

Deeply troubled by Mussolini’s invasion of his own country, in 1936 Haile Selassie , Emperor of Ethiopia, addressed the League of Nations in Geneva, warning of the rise of global fascism. Ignored, he went on to spend the next five years in exile in England.

Roger Grey was a member of the local League of Nations branch and was sympathetic to Selassie’s cause.

The Emperor visited Dunham Massey for four days in 1938, cementing a friendship for life.

Until his death, Roger flew the Lion of Judah flag from Dunham every year on Selassie’s birthday (23 July).

https://www.nationaltrust.org.uk/dunham-massey/features/a-brief-history-of-dunham-massey