the restoration, Mary and Elizabeth were not reinstated to the succession until Henry's sixth wife, Catherine Parr, convinced him to do so. One non-contemporary source conjectures that she may have been pregnant and had a miscarriage by Christmas 1536. In January 1537, Jane conceived again. During her pregnancy, she developed a craving for quail, which Henry ordered for her from Calais and Flanders. During the summer, she took no public engagements and led a relatively quiet life, attended by the royal physicians and the best midwives in the kingdom. She went into confinement in September 1537 and gave birth to the coveted male heir, the future King Edward VI, at two o'clock in the morning on 12 October 1537 at Hampton Court Palace. Edward was christened on 15 October 1537, without his mother in attendance, as was the custom. He was the only legitimate son of Henry VIII to survive infancy. Both of his daughters, Mary and Elizabeth, were present and carried Edward's train during the ceremony. Death and funeral Jane's labour had been difficult, lasting two days and three nights, probably because the baby was not well positioned. After the christening, it became clear that she was seriously ill. She died on 24 October 1537 at Hampton Court Palace. Within a few weeks, there were conflicting accounts of the cause of her death. More recently, various speculations have been made. According to King Edward's biographer Jennifer Loach, her death may have been due to an infection from a retained placenta. According to Alison Weir, she may have succumbed to puerperal fever following a bacterial infection contracted during the birth. Weir has also speculated, after medical consultation, that the cause of her death was a pulmonary embolism. Jane was buried on 12 November 1537 in St. George's Chapel at Windsor Castle after the funeral in which her stepdaughter Mary acted as chief mourner. A procession of 29 mourners followed Mary, one for every year of Jane's life. She was the only one of Henry's wives to receive a queen's funeral. After her death, Henry wore black for the next three months. He married Anne of Cleves two years later, although marriage negotiations were tentatively begun soon after Jane's death. He put on weight during his widowerhood, becoming obese and swollen and developing diabetes and gout. Historians have speculated she was his favourite wife because she gave birth to a male