Question: When did Leopold David De Rothschild's father die?

Knowledge 1: Leopold David de Rothschild
Leopold David de Rothschild, CBE, FRCM (12 May 1927 – 19 April 2012) was a British financier, musician, and a member of the Rothschild banking family of England.Leopold David was the fourth and youngest child and second son of Lionel Nathan de Rothschild (1882–1942) and Marie Louise Eugénie Beer (1892–1975).From childhood he had a fondness for music and became an accomplished pianist and violinist.As a vocalist, he sang with The Bach Choir of London for many years and would later serve as its president.While in his teens, he joined the Royal Navy, serving for two years.He went to work at Kuhn, Loeb & Co., as well as at Morgan Stanley and Glyn, Mills & Co. before becoming a partner at his family's N M Rothschild & Sons in 1956.While he had a long and successful career in banking, his love of music and the arts played an important role in his life.He was an honorary member of the Incorporated Society of Musicians, among his many involvements, Leopold de Rothschild served as:Among his philanthropic works, through his "Leopold de Rothschild Charitable Trust" he contributed to numerous charities, including the St John's Hospice for the terminally ill.In addition, his Charitable Trust provides support to the London Symphony Orchestra, the London Sinfonietta, the Rambert Dance Company, and provides scholarships for students to study at the Royal College of Music of which he was a Fellow (FRCM) and past Council Chairman. [SEP] Knowledge 2: Lionel de Rothschild (born 1882)
Lionel Nathan de Rothschild, OBE (25 January 1882 – 28 January 1942), also Major Lionel de Rothschild, was a British banker and Conservative politician best remembered as the creator of Exbury Gardens by the New Forest in Hampshire.He was the eldest son of Leopold de Rothschild (1845–1917) and a part of the prominent Rothschild banking family of England.In 1910, he was elected to the House of Commons.In 1917, he co-founded the anti-Zionist League of British Jews.
Knowledge 1: Leopold David de Rothschild
Leopold David de Rothschild, CBE, FRCM (12 May 1927 – 19 April 2012) was a British financier, musician, and a member of the Rothschild banking family of England.Leopold David was the fourth and youngest child and second son of Lionel Nathan de Rothschild (1882–1942) and Marie Louise Eugénie Beer (1892–1975).From childhood he had a fondness for music and became an accomplished pianist and violinist.As a vocalist, he sang with The Bach Choir of London for many years and would later serve as its president.While in his teens, he joined the Royal Navy, serving for two years.He went to work at Kuhn, Loeb & Co., as well as at Morgan Stanley and Glyn, Mills & Co. before becoming a partner at his family's N M Rothschild & Sons in 1956.While he had a long and successful career in banking, his love of music and the arts played an important role in his life.He was an honorary member of the Incorporated Society of Musicians, among his many involvements, Leopold de Rothschild served as:Among his philanthropic works, through his "Leopold de Rothschild Charitable Trust" he contributed to numerous charities, including the St John's Hospice for the terminally ill.In addition, his Charitable Trust provides support to the London Symphony Orchestra, the London Sinfonietta, the Rambert Dance Company, and provides scholarships for students to study at the Royal College of Music of which he was a Fellow (FRCM) and past Council Chairman. [SEP] Knowledge 2: Dorothy de Rothschild
Dorothy Mathilde de Rothschild (née Pinto, 7 March 1895 – 10 December 1988) was an English philanthropist and activist for Jewish affairs who married into the wealthy international Rothschild family.Known to her friends as "Dolly", she married her cousin James Armand de Rothschild (known as Jimmy) at the age of 17 in 1913.He was 35 years old, the son of Edmond James de Rothschild of the Paris branch of the Rothschild family.In 1922 James de Rothschild inherited Waddesdon Manor in Buckinghamshire.This became their country home.They also had a London house in St James's Square.Dorothy de Rothschild assisted her husband in his political campaigns, particularly from 1929 to 1945 when he was Liberal Member of Parliament for the Isle of Ely constituency.After his death in 1957, Waddesdon Manor was bequeathed to the National Trust, but the surrounding estate and smaller mansion at Eythrope in Buckinghamshire were retained by Mrs. de Rothschild and bequeathed to her husband's great nephew Jacob Rothschild, 4th Baron Rothschild.She remained a strong influence on the preservation and development of the house and collections at Waddesdon.Dorothy de Rothschild continued the Zionist interests of her father-in-law and husband, and was a close friend of Chaim Weizmann.She became chairman of Yad Hanadiv, the Rothschild family charities in Israel, and saw through her husband's gift of funds to build the Knesset and her own gift of the Supreme Court of Israel building.At her death in 1988, she left £94,117,964 (equivalent to £ million in), the largest probated estate to that date in England and Wales.
Knowledge 1: Leopold David de Rothschild
Leopold David de Rothschild, CBE, FRCM (12 May 1927 – 19 April 2012) was a British financier, musician, and a member of the Rothschild banking family of England.Leopold David was the fourth and youngest child and second son of Lionel Nathan de Rothschild (1882–1942) and Marie Louise Eugénie Beer (1892–1975).From childhood he had a fondness for music and became an accomplished pianist and violinist.As a vocalist, he sang with The Bach Choir of London for many years and would later serve as its president.While in his teens, he joined the Royal Navy, serving for two years.He went to work at Kuhn, Loeb & Co., as well as at Morgan Stanley and Glyn, Mills & Co. before becoming a partner at his family's N M Rothschild & Sons in 1956.While he had a long and successful career in banking, his love of music and the arts played an important role in his life.He was an honorary member of the Incorporated Society of Musicians, among his many involvements, Leopold de Rothschild served as:Among his philanthropic works, through his "Leopold de Rothschild Charitable Trust" he contributed to numerous charities, including the St John's Hospice for the terminally ill.In addition, his Charitable Trust provides support to the London Symphony Orchestra, the London Sinfonietta, the Rambert Dance Company, and provides scholarships for students to study at the Royal College of Music of which he was a Fellow (FRCM) and past Council Chairman. [SEP] Knowledge 2: James de Rothschild (politician)
James Armand Edmond de Rothschild DCM DL( 1 December 1878 – 7 May 1957), sometimes known as Jimmy de Rothschild, was a British Liberal politician and philanthropist, from the wealthy Rothschild international banking dynasty.De Rothschild was the son of Edmond James de Rothschild of the French branch of family.He was educated at Lycée Louis- le- Grand in Paris and at Trinity College, Cambridge.He served in the First World War, at the outset as an enlisted man in the French Army then as an officer in The Royal Canadian Dragoons, and ended the war as an officer in the British Army, serving in Palestine as a major in the 39th Battalion, The Royal Fusiliers( part of the" Jewish Legion").He was awarded the Distinguished Conduct Medal.He was a keen follower of the turf and a racehorse owner.His 33- 1 runner" Bomba" won the Ascot Gold Cup in 1909.He married Dorothy Mathilde Pinto in 1913.She was 17 years old; he was 35.He became a naturalised Briton in 1920, and in 1922 he inherited from Alice de Rothschild the Waddesdon Manor estate of his great- uncle Baron Ferdinand de Rothschild, the Liberal Member of Parliament( MP) for Aylesbury from 1885 to 1898.

Answer: 28 January 1942