Question: When did Charles Ritchie Russell, Baron Russell Of Killowen's father die?

Knowledge 1: Charles Ritchie Russell, Baron Russell of Killowen
Charles Ritchie Russell, Baron Russell of Killowen, PC (12 January 1908 – 23 June 1986) was a British judge and law lord.Russell was born in London, the son of Frank Russell, Baron Russell of Killowen and the grandson of Charles Russell, Baron Russell of Killowen, both Lords of Appeal in Ordinary.His maternal grandfather was the Scottish politician Charles Ritchie, 1st Baron Ritchie of Dundee.Following his father, he was educated at Beaumont College and Oriel College, Oxford, where he took a Third in Jurisprudence.He was called to the bar by Lincoln's Inn in 1931.During the Second World War, Russell was commissioner into the Royal Artillery, and flew into France on D-Day by glider.Wounded in action, he was mentioned in dispatches and received the French Croix de Guerre.Returning to the bar after the war, he took silk in 1948 at the age of forty, like his father and grandfather.He was Attorney General of the Duchy of Cornwall from 1951 to 1960.A leading Chancery counsel, he was appointed to the Chancery Division of the High Court in 1960, receiving the customary knighthood.He was promoted Lord Justice of Appeal in 1962, and was sworn of the Privy Council.In 1960 he pled guilty to a charge of drunk driving, which was thought to have delayed his promotion.Nevertheless, on 30 September 1975, he was appointed Lord of Appeal in Ordinary and was made a life peer with the title Baron Russell of Killowen, of Killowen in the County Down, the same title that his grandfather and father had held. [SEP] Knowledge 2: Frank Russell, Baron Russell of Killowen
Francis Xavier Joseph Russell, Baron Russell of Killowen, PC, known as Frank Russell (2 July 1867 – 20 December 1946) was a British judge.
Knowledge 1: Charles Ritchie Russell, Baron Russell of Killowen
Charles Ritchie Russell, Baron Russell of Killowen, PC (12 January 1908 – 23 June 1986) was a British judge and law lord.Russell was born in London, the son of Frank Russell, Baron Russell of Killowen and the grandson of Charles Russell, Baron Russell of Killowen, both Lords of Appeal in Ordinary.His maternal grandfather was the Scottish politician Charles Ritchie, 1st Baron Ritchie of Dundee.Following his father, he was educated at Beaumont College and Oriel College, Oxford, where he took a Third in Jurisprudence.He was called to the bar by Lincoln's Inn in 1931.During the Second World War, Russell was commissioner into the Royal Artillery, and flew into France on D-Day by glider.Wounded in action, he was mentioned in dispatches and received the French Croix de Guerre.Returning to the bar after the war, he took silk in 1948 at the age of forty, like his father and grandfather.He was Attorney General of the Duchy of Cornwall from 1951 to 1960.A leading Chancery counsel, he was appointed to the Chancery Division of the High Court in 1960, receiving the customary knighthood.He was promoted Lord Justice of Appeal in 1962, and was sworn of the Privy Council.In 1960 he pled guilty to a charge of drunk driving, which was thought to have delayed his promotion.Nevertheless, on 30 September 1975, he was appointed Lord of Appeal in Ordinary and was made a life peer with the title Baron Russell of Killowen, of Killowen in the County Down, the same title that his grandfather and father had held. [SEP] Knowledge 2: William Ritchie Russell
William Ritchie Russell CBE FRSE (7 February 1903 – 8 December 1980) was a 20th-century Scottish neurologist.
Knowledge 1: Charles Ritchie Russell, Baron Russell of Killowen
Charles Ritchie Russell, Baron Russell of Killowen, PC (12 January 1908 – 23 June 1986) was a British judge and law lord.Russell was born in London, the son of Frank Russell, Baron Russell of Killowen and the grandson of Charles Russell, Baron Russell of Killowen, both Lords of Appeal in Ordinary.His maternal grandfather was the Scottish politician Charles Ritchie, 1st Baron Ritchie of Dundee.Following his father, he was educated at Beaumont College and Oriel College, Oxford, where he took a Third in Jurisprudence.He was called to the bar by Lincoln's Inn in 1931.During the Second World War, Russell was commissioner into the Royal Artillery, and flew into France on D-Day by glider.Wounded in action, he was mentioned in dispatches and received the French Croix de Guerre.Returning to the bar after the war, he took silk in 1948 at the age of forty, like his father and grandfather.He was Attorney General of the Duchy of Cornwall from 1951 to 1960.A leading Chancery counsel, he was appointed to the Chancery Division of the High Court in 1960, receiving the customary knighthood.He was promoted Lord Justice of Appeal in 1962, and was sworn of the Privy Council.In 1960 he pled guilty to a charge of drunk driving, which was thought to have delayed his promotion.Nevertheless, on 30 September 1975, he was appointed Lord of Appeal in Ordinary and was made a life peer with the title Baron Russell of Killowen, of Killowen in the County Down, the same title that his grandfather and father had held. [SEP] Knowledge 2: Charles Russell, Baron Russell of Killowen
Charles Arthur Russell, Baron Russell of Killowen,( 10 November 1832 – 10 August 1900) was an Irish statesman of the 19th century, and Lord Chief Justice of England.He was the first Roman Catholic to serve as Lord Chief Justice since the Reformation.

Answer: 20 December 1946