Short answers, pulled from the story.
Francis Weston was a Gentleman of the Privy Chamber at the court of King Henry VIII, executed on the 17th of May 1536 at Tower Hill. He was accused of high treason, adultery with Queen Anne Boleyn, and plotting to kill the king, charges he denied but which led to his beheading at age twenty-five.
Thomas Cromwell, Henry VIII's chief minister, arranged for ladies to attend the arrested Queen Anne Boleyn and report her conversations. A remark Anne made to one of those attendants, Mistress Coffin, about a conversation with Weston was recorded by Sir William Kingston in a letter to Cromwell, and it was this letter that first linked Weston to the accusations.
Francis Weston was beheaded on the 17th of May 1536 alongside George Boleyn, Viscount Rochford; William Brereton; Henry Norris; and Mark Smeaton. Anne Boleyn herself was executed two days later.
Francis Weston was the son of Sir Richard Weston of Ufton Court in Berkshire and Sutton Place in Surrey, a prominent courtier who served as Governor of Guernsey, Treasurer of Calais, and Under-Treasurer of the Exchequer. His uncle, Sir William Weston, was the last Prior of the Order of St John in England and was deemed Premier Baron of England.
His father, Sir Richard Weston, was said to have offered everything the family possessed to obtain a pardon. Lancelot de Carle recorded that Francis's mother petitioned the king in grief and his wife offered rents and goods for his release, but neither plea succeeded.
An oak marriage chest carved with the heads of Francis Weston and his wife Anne Pickering survives at Saffron Walden Museum in Essex. The couple married in 1530.