Question: What is the date of birth of Rudolph De Trafford's father?

Knowledge 1: Rudolph de Trafford
Sir Rudolph Edgar Francis de Trafford, 5th Baronet, OBE (31 August 1894 – 16 August 1983) was a British aristocrat and banker who succeeded his brother to the de Trafford baronetage at the age of 77.Rudolph was the second son of Sir Humphrey de Trafford, 3rd Baronet and Violet Alice Maud Franklin.He attended Downside (Sep 1907 to Jul 1911), and Trinity College, Cambridge, where he was friends with Marshall Field III.After graduating with a BA in 1915, he fought in the First World War, being twice mentioned in despatches.In 1919, Rudolph joined Marshall Field in California for a vacation with Field's wife and children on Catalina Island. [SEP] Knowledge 2: Sir Humphrey de Trafford, 3rd Baronet
Sir Humphrey Francis de Trafford (3 July 1862 – 10 January 1929) was an English landowner and racehorse breeder.He was the son of Sir Humphrey de Trafford, 2nd Baronet and Lady Annette Mary Talbot.On the death of his father on 4 May 1886, Humphrey became the 3rd Baronet de Trafford.Later the same year, on 9 August, he married Violet Alice Maud Franklin, daughter of James Franklin.They had four children:In 1896, Sir Humphrey put the family estate of Trafford Park up for sale.The auction was held on 7 May 1896 in the Grand Hotel, Manchester.The estate was described in the sale catalogue as comprising a "distinguished family mansion of imposing elevation, built in the Italian style, seated in a beautifully timbered deer park".However it failed to reach its reported reserve price of £300,000.There was much public debate, before and after the abortive sale, as to whether Manchester Corporation ought to buy Trafford Park.But it could not agree terms quickly enough, and so, on 23 June 1896, Ernest Terah Hooley became the new owner of Trafford Park, for the sum of £360,000.Following the sale of Trafford Park, Sir Humphrey moved to Hill Crest, Market Harborough.Sir Humphrey served as an officer of the Lancashire Hussars Imperial Yeomanry, and was promoted Major 1 July 1901.In 1903 he served as president of the Royal Lancashire Agricultural Society and in 1905, he published "Foxhounds of Great Britain and Ireland and their Masters and Huntsmen".In July 1907, Sir Humphrey de Trafford caused scandal in European society circles when he was taken to court for bankruptcy despite claiming an annual income of $240,000.Lady de Trafford died on 20 July 1925.Sir Humphrey died four years later on 10 January 1929, aged 66.Correspondence and government accounts related to death duties payable on Sir Humphrey's estate are held by The National Archives, but remained sealed under a Lord Chancellor's Instrument until 2006.
Knowledge 1: Rudolph de Trafford
Sir Rudolph Edgar Francis de Trafford, 5th Baronet, OBE (31 August 1894 – 16 August 1983) was a British aristocrat and banker who succeeded his brother to the de Trafford baronetage at the age of 77.Rudolph was the second son of Sir Humphrey de Trafford, 3rd Baronet and Violet Alice Maud Franklin.He attended Downside (Sep 1907 to Jul 1911), and Trinity College, Cambridge, where he was friends with Marshall Field III.After graduating with a BA in 1915, he fought in the First World War, being twice mentioned in despatches.In 1919, Rudolph joined Marshall Field in California for a vacation with Field's wife and children on Catalina Island. [SEP] Knowledge 2: John de Trafford
Sir John Humphrey de Trafford, 7th Baronet, MBE (born 12 September 1950) is a British businessman and banker.He is the son of Sir Dermot de Trafford, 6th Baronet and his first wife Patricia Mary Beeley.He succeeded to the de Trafford Baronetcy upon the death of his father in January 2010, and was appointed a Member of the Order of the British Empire (MBE) in the Queen's 2010 Birthday Honours.Sir John was educated at Ampleforth College and Bristol University, graduating in 1971 with a BSc.In 1975, Sir John married Anne Marie Faure de Pebeyre, daughter of Jacques Faure de Pebeyre, and they have brought up two children; Alexander Humphrey de Trafford (born 28 June 1978) and Isabel June de Trafford (born 28 February 1980).In business, Sir John has served as Sales and Marketing Director for Thistle Hotels and held various positions within American Express, before becoming Regional President of the North Europe division in 2000.He also holds several non-executive directorships including with the Pension, Disability and Carers Service.Sir John became a non-executive director of the UK's state-owned National Savings and Investments (NS&I) in January 2010, and was appointed chairman on 4 January 2012 .He is also a trustee of the Landmark Trust and of the National Benevolent Fund for the Aged.
Knowledge 1: Sir Humphrey de Trafford, 3rd Baronet
Sir Humphrey Francis de Trafford (3 July 1862 – 10 January 1929) was an English landowner and racehorse breeder.He was the son of Sir Humphrey de Trafford, 2nd Baronet and Lady Annette Mary Talbot.On the death of his father on 4 May 1886, Humphrey became the 3rd Baronet de Trafford.Later the same year, on 9 August, he married Violet Alice Maud Franklin, daughter of James Franklin.They had four children:In 1896, Sir Humphrey put the family estate of Trafford Park up for sale.The auction was held on 7 May 1896 in the Grand Hotel, Manchester.The estate was described in the sale catalogue as comprising a "distinguished family mansion of imposing elevation, built in the Italian style, seated in a beautifully timbered deer park".However it failed to reach its reported reserve price of £300,000.There was much public debate, before and after the abortive sale, as to whether Manchester Corporation ought to buy Trafford Park.But it could not agree terms quickly enough, and so, on 23 June 1896, Ernest Terah Hooley became the new owner of Trafford Park, for the sum of £360,000.Following the sale of Trafford Park, Sir Humphrey moved to Hill Crest, Market Harborough.Sir Humphrey served as an officer of the Lancashire Hussars Imperial Yeomanry, and was promoted Major 1 July 1901.In 1903 he served as president of the Royal Lancashire Agricultural Society and in 1905, he published "Foxhounds of Great Britain and Ireland and their Masters and Huntsmen".In July 1907, Sir Humphrey de Trafford caused scandal in European society circles when he was taken to court for bankruptcy despite claiming an annual income of $240,000.Lady de Trafford died on 20 July 1925.Sir Humphrey died four years later on 10 January 1929, aged 66.Correspondence and government accounts related to death duties payable on Sir Humphrey's estate are held by The National Archives, but remained sealed under a Lord Chancellor's Instrument until 2006. [SEP] Knowledge 2: John de Trafford
Sir John Humphrey de Trafford, 7th Baronet, MBE (born 12 September 1950) is a British businessman and banker.He is the son of Sir Dermot de Trafford, 6th Baronet and his first wife Patricia Mary Beeley.He succeeded to the de Trafford Baronetcy upon the death of his father in January 2010, and was appointed a Member of the Order of the British Empire (MBE) in the Queen's 2010 Birthday Honours.Sir John was educated at Ampleforth College and Bristol University, graduating in 1971 with a BSc.In 1975, Sir John married Anne Marie Faure de Pebeyre, daughter of Jacques Faure de Pebeyre, and they have brought up two children; Alexander Humphrey de Trafford (born 28 June 1978) and Isabel June de Trafford (born 28 February 1980).In business, Sir John has served as Sales and Marketing Director for Thistle Hotels and held various positions within American Express, before becoming Regional President of the North Europe division in 2000.He also holds several non-executive directorships including with the Pension, Disability and Carers Service.Sir John became a non-executive director of the UK's state-owned National Savings and Investments (NS&I) in January 2010, and was appointed chairman on 4 January 2012 .He is also a trustee of the Landmark Trust and of the National Benevolent Fund for the Aged.

Answer: 3 July 1862