Castle was destroyed by an explosion in August 1640 and among the fifty two dead was John White, an English plasterer who also worked for her at The Hirsel, and at Winton House for George Seton, 3rd Earl of Winton. She sold Twickenham Park that year. Family and legacy Marriages of her son, James Home In May 1622 at Whitehall Palace her son James, Earl of Home, married Catherine Cary daughter of Henry Cary, 1st Viscount Falkland (c.1575 – 1633) and Elizabeth Cary née Tanfield. John Chamberlain noted that the marriage had been arranged by the king. In Scotland, before the wedding, following the king's instructions, the lawyer Thomas Haddington convened a meeting of the six lairds of the Home surname to tell them about the marriage plans. They promised to help the earl, but had reservations, hoping that Lady Home would "make her intentions and courses known to them" and she would "hear and respect their faithful advice" concerning the earl, and if she neglected to consult them, they could have "no contentment in the business." In December, Lady Home wrote to Leonard Welstead, an agent of Lord Falkland (and formerly, with Matthew Lister, a trustee of the Countess of Pembroke), about dowry payments, and the toothache suffered by Lord Home and Catherine. After Catherine's death in childbirth in 1625, James married Grace Fane, daughter of Francis Fane, 1st Earl of Westmorland (1583/4–1629). James still had legal guardians called "curators" including the Earl Marischal, the Earl of Morton, and Sir Robert Kerr of Ancram, a gentleman in the king's bedchamber. Mary wrote to Morton (who was in England) for help over dowry payments, wanting an installment of £1000 Sterling cash sent to her in Scotland rather than allow the Earl of Westmorland to invest the money in a project in England and buy land. She hoped the rest of the curators would agree with her, deferring to their "wiser judgements" but insisting "I will bee the last consentor to such a bisnes". She wanted the cash for dowries for her daughters. Mary Mildmay Fane, Countess of Westmorland wrote letters to her daughter Grace in Scotland solicitous of her health, including passages in cipher, one referring to loss of her hair through illness. She hoped Grace would come to London to take her sisters to see the masques at court in 1631, Love's Triumph Through Callipolis and Chloridia. Grace was