Question: When did John St John, 20Th Baron St John Of Bletso's father die?

Knowledge 1: John St John, 20th Baron St John of Bletso
John Moubray Russell St John, 20th Baron St John of Bletso TD(3August 1917 – 13 April 1976) was an English peer.The only son of Moubray St John, 19th Baron St John of Bletso and his wife Evelyn,John St John became the 20th Baron Lord St John of Bletso on the death of his father in 1934.He was living at a hotel in Dublin and died unmarried in 1976, aged 58, and the title passed to a distant cousin. [SEP] Knowledge 2: Moubray St John, 19th Baron St John of Bletso
Moubray St Andrew ThorntonSt John, 19th Baron St John of Bletso DL JP (5 November 1877 – 28 October 1934) was an English peer.
Knowledge 1: John St John, 20th Baron St John of Bletso
John Moubray Russell St John, 20th Baron St John of Bletso TD(3August 1917 – 13 April 1976) was an English peer.The only son of Moubray St John, 19th Baron St John of Bletso and his wife Evelyn,John St John became the 20th Baron Lord St John of Bletso on the death of his father in 1934.He was living at a hotel in Dublin and died unmarried in 1976, aged 58, and the title passed to a distant cousin. [SEP] Knowledge 2: Beauchamp St John, 17th Baron St John of Bletso
Beauchamp Moubray St John, 17th Baron St John of Bletso (4 December 1844 – 10 May 1912) was an English peer.St John was born at Melchbourne, the second son of St Andrew St John, 15th Baron St John of Bletso and his wife Eleanor Hussey.He served in the Highland Light Infantry until 1867.He inherited the title Baron St John of Bletso on the death of his brother in 1887 without male heir to become the 17th Baron, and moved to Melchbourne Park, Bedfordshire.He served as Lord Lieutenant of Bedfordshire from 1905 to 1912.St John married Helen Charlotte Thornton in 1869 and had a very large family.His eldest son Henry succeeded to the title, followed by his second son Mowbray.His daughter Edith married George Lawson Johnston, 1st Baron Luke.Helen died in 1909 and Beauchamp married, secondly, in 1911, to Ethel Susan Lutley (died 1945), daughter of John H. Lutley of Brockhampton Park, Hereford.
Knowledge 1: Moubray St John, 19th Baron St John of Bletso
Moubray St Andrew ThorntonSt John, 19th Baron St John of Bletso DL JP (5 November 1877 – 28 October 1934) was an English peer. [SEP] Knowledge 2: Beauchamp St John, 17th Baron St John of Bletso
Beauchamp Moubray St John, 17th Baron St John of Bletso (4 December 1844 – 10 May 1912) was an English peer.St John was born at Melchbourne, the second son of St Andrew St John, 15th Baron St John of Bletso and his wife Eleanor Hussey.He served in the Highland Light Infantry until 1867.He inherited the title Baron St John of Bletso on the death of his brother in 1887 without male heir to become the 17th Baron, and moved to Melchbourne Park, Bedfordshire.He served as Lord Lieutenant of Bedfordshire from 1905 to 1912.St John married Helen Charlotte Thornton in 1869 and had a very large family.His eldest son Henry succeeded to the title, followed by his second son Mowbray.His daughter Edith married George Lawson Johnston, 1st Baron Luke.Helen died in 1909 and Beauchamp married, secondly, in 1911, to Ethel Susan Lutley (died 1945), daughter of John H. Lutley of Brockhampton Park, Hereford.

Answer: 28 October 1934