 Hence, after Lady Katherine’s death, her son Johnnie (John Peter Grant) took on the title 13th Earl of Dysart while his son James became Lord Huntingtower.The Huntingtower title, which also shifts between male and female offspring, is more of a nominal one chosen by one of Lady Grant’s ancestors, none of whom, it seems, ever lived at Huntingtower, on the western edge of Perth.During the Second World War, the Countess married an outstanding soldier, Lieutenant-Colonel John Peter Grant younger of Rothiemurchus in 1941 (1915–1987) who succeeded his father as 15th Grant of Rothiemurchus.