Title: Bertrand Russell
Content:  Russell had two siblings: brother Frank (nearly seven years older than Bertrand), and sister Rachel (four years older). In June 1874 Russell's mother died of diphtheria, followed shortly by Rachel's death. In January 1876, his father died of bronchitis after a long period of depression. Frank and Bertrand were placed in the care of staunchly Victorian paternal grandparents, who lived at Pembroke Lodge in Richmond Park. His grandfather, former Prime Minister Earl Russell, died in 1878, and was remembered by Russell as a kindly old man in a wheelchair. His grandmother, the Countess Russell (née Lady Frances Elliot), was the dominant family figure for the rest of Russell's childhood and youth. The Countess was from a Scottish Presbyterian family and successfully petitioned 
Title: Bertrand Russell
Content:  Bertrand Arthur William Russell was born on 18 May 1872 at Ravenscroft, Trellech, Monmouthshire, United Kingdom, into an influential and liberal family of the British aristocracy. His parents, Viscount and Viscountess Amberley, were radical for their times. Lord Amberley consented to his wife's affair with their children's tutor, the biologist Douglas Spalding. Both were early advocates of birth control at a time when this was considered scandalous. Lord Amberley was an atheist, and his atheism was evident when he asked the philosopher John Stuart Mill to act as Russell's secular godfather. Mill died the year after Russell's birth, but his writings had a great effect on Russell's life. His paternal 
Title: Patricia Russell
Content:  Patricia Russell, Countess Russell (1910&ndash;2004) was the third wife of philosopher Bertrand Russell and a significant contributor to his book A History of Western Philosophy. Countess Russell was born Marjorie Helen Spence in 1910. As her parents had always wanted a boy, she was known as 'Peter', a nickname she retained throughout her life. She met Bertrand Russell in 1930 when she was a 21-year-old undergraduate at the University of Oxford, hired by Russell's second wife Dora Black as a governess. They had an affair and were married at the Midhurst register office on 18 January 1936. They had one son, Conrad Sebastian Robert Russell, 5th Earl Russell, who became a prominent historian and one of the leading figures in the Liberal Democrat party. They had an acrimonious separation in 1949. Patricia was a member of the first board of the Harlow Development Corporation, serving from 1947 to 1950. She smoked a pipe.
Title: Rollo Russell
Content:  Russell was born at Pembroke Lodge, Richmond Park. He was the third son of then-serving Prime Minister Lord John Russell and was the uncle of Bertrand Russell. His mother was Lord Russell's second wife, Lady Frances. Russell was educated at Christ Church, Oxford and graduated with distinction in natural science in 1872. He worked as clerk for the British Foreign Office. Russell was reclusive and a shy man. He suffered from poor eyesight, resigned from the British Civil Service in 1888 and took up scientific writing. He studied the relationship between atmosphere and disease. Russell married Alice Sophia Godfrey in 1885, they had a son Arthur. She died within a year and Russell married Gertrude Ellen Cornelia Joachim (sister of Harold H. Joachim) in 1891. They had a son John and a daughter Margaret. Russell was a Unitarian 
Title: Frances Russell, Countess Russell
Content:  undoubted disapproval of some of its content, made sure that her son's book An Analysis of Religious Belief (which took a critical view of Christianity and other religions) was published a month after his death. Two years later Earl Russell died, leaving Lady Russell as Frank and Bertrand's sole guardian. In later life Bertrand Russell recalled his grandmother as: "the most important person to me throughout my childhood. She was a Scotch Presbyterian, Liberal in politics and religion...but extremely strict in matters of morality." Countess Russell died at Pembroke Lodge on 17 January 1898 at the age of 82, having survived her husband by almost twenty years. She was buried alongside her husband in the Russell family chapel at St. Michael's Church, Chenies.
Title: Maud Russell
Content:  Of British descent, Russell was born in Hayward, California. Her parents were Thomas Russell and Lelia May (née Smalley); siblings included Jean, Thomas, Lloyd, Lelia, and David. Russell studied at University of California, Berkeley, where she began her affiliation with the Young Women's Christian Association, and here she met Mary Ingle Bentley (1878–1940), who became her life companion. She studied for her master's degree at Columbia University.
Title: John Russell, 4th Earl Russell
Content:  John Conrad Russell, 4th Earl Russell (16 November 1921 – 16 December 1987) was the eldest son of the philosopher and mathematician Bertrand Russell (the 3rd Earl) and his second wife, Dora Black. His middle name was a tribute to the writer Joseph Conrad, whom his father had long admired. He was the great-grandson of the 19th century British Whig Prime Minister Lord John Russell. He succeeded to the earldom on the death of his father on 2 February 1970.
Title: Bertrand Russell
Content:  no religious ceremony but one minute's silence; his ashes were scattered over the Welsh mountains later that year. He left an estate valued at £69,423 (equivalent to £ million in ). In 1980, a memorial to Russell was commissioned by a committee including the philosopher A. J. Ayer. It consists of a bust of Russell in Red Lion Square in London sculpted by Marcelle Quinton. Lady Katharine Jane Tait, Russell's daughter, founded the Bertrand Russell Society in 1974 to preserve and understand his work. It publishes the Bertrand Russell Society Bulletin, holds meetings and awards prizes for scholarship. She also authored several essays about her father; as well as a book, My Father, Bertrand Russell, which was published in 1975. All members receive Russell: The Journal of Bertrand Russell Studies.
Title: John Russell, 4th Earl Russell
Content:  He was married on 28 August 1946 to Susan Doniphan Lindsay, daughter of the poet Vachel Lindsay. They had three daughters: Lady Felicity Anne Russell (born 2 September 1945), Lady Sarah Elizabeth Russell (born 16 January 1946), and Lady Lucy Catherine Russell (21 July 1948 – 11 April 1975). Neither Sarah nor Lucy married or bore children; Felicity had one daughter, Rowan. Like their father and mother, the three daughters suffered from serious mental health challenges. Lucy, who was Bertrand Russell's favourite grandchild, died from self-immolation, at the age of 26, in the forecourt of a church near Penzance, ostensibly protesting in the cause of world peace. Russell was succeeded as Earl by his half-brother, the historian Conrad Russell, 5th Earl Russell.
Title: Bertrand Russell
Content:  War. Russell was one of the best-known patrons of the Congress, until he resigned in 1956. In 1952, Russell was divorced by Spence, with whom he had been very unhappy. Conrad, Russell's son by Spence, did not see his father between the time of the divorce and 1968 (at which time his decision to meet his father caused a permanent breach with his mother). Russell married his fourth wife, Edith Finch, soon after the divorce, on 15 December 1952. They had known each other since 1925, and Edith had taught English at Bryn Mawr College near Philadelphia, sharing a 

Question: Who is the mother of Bertrand Russell?
Answer: Katharine Russell, Viscountess Amberley.