Diana was born in the late afternoon on 1 July 1961, in Sandringham, Norfolk.[4][5] She was the fourth of five children of the Viscount and Viscountess Althorp (née Frances Roche, later Shand Kydd).[4][5][6] The Spencers are one of Britain's oldest and most important families, closely allied with the Royal Family for several generations.[7] The Spencers were hoping for a boy to carry on the family line, and no name was chosen for a week, until they settled on Diana Frances, after a Spencer ancestress and her mother.[5] She was baptised at St. Mary Magdalene Church, Sandringham. [8] Diana had four siblings: Sarah, Jane, John and Charles;[4][6] John died only a year before Diana was born.[6][5] The desire for an heir added strain to the Spencers' marriage, and Lady Althorp was reportedly sent to Harley Street clinics in London to determine the cause of the "problem".[5] The experience was described as "humiliating" by Charles Spencer, the current earl: "It was a dreadful time for my parents and probably the root of their divorce because I don't think they ever got over it."[8] Diana grew up in Park House, which was situated near to the Sandringham estate.[6] Diana was only seven years old when her parents were separated.[9] Her mother, Frances, had an affair with Peter Shand Kydd.[6] In Morton's book, he describes Diana's remembrance of Lord Althorp loading suitcases in the car and Frances crunching across the gravel forecourt and driving away through the gates of Park House.[5] Diana lived with Frances in London during her parents' separation, but during the Christmas holidays by the end of the year, Lord Althorp refused to let Frances to return to London along with Diana. Shortly afterwards, Lord Althorp eventually won custody of Diana with support from his mother-in-law, Ruth Roche, Baroness Fermoy.[4] Diana was first educated at Riddlesworth Hall near Diss, Norfolk, and later attended boarding school at The New School at West Heath,[4] in Sevenoaks, Kent. In 1973, Lord Althorp began a relationship with Raine, Countess of Dartmouth, the only daughter of Alexander McCorquodale and Barbara Cartland.[10] Diana received the title of Lady after her father inherited the title of Earl Spencer on 9 June 1975. Lord Spencer and Lady Dartmouth were married at Caxton Hall, London on 14 July 1976. As Countess Spencer, Raine was unpopular with Diana.[6] Diana was often noted for her shyness while growing up, but she did take an interest in both music and dancing. She also had a great interest in children. After attending finishing school at the Institut Alpin Videmanette in Switzerland, she moved to London. She began working with children, eventually becoming a nursery assistant at the Young England School.[4] Diana had apparently played with Princes Andrew and Edward as a child while her family rented Park House, a property owned by Elizabeth II and situated on the Sandringham Estate.[4][11]