 She set about building her greatest monument, Hardwick New Hall, which was completed in 1599.John Hardwick died aged about 40 leaving a widow, son (and heir), and four daughters (five daughters were alive at the time he wrote his will).His widow, Elizabeth Leeke then remarried to Ralph, the second son of the neighbouring Leche (or Leach) family of Chatsworth, in Derbyshire, by whom she would leave an additional three co-heiresses.