His ancestor, the wealthy goldsmith Sir Charles Duncombe who became Lord Mayor of London, after a brief sojurn in the Tower on a charge ? later dropped ? of falsifying Exchequer bills, then bought the Helmsley bestate/b in 1695. ... He leaves issue, two sons and a daughter from the first marriage, viz: the Hon Jasper Orlando bSlingsby/b Duncombe born 14 March 1968, and the Hon Jake Barnaby born in 1972, and the Hon Melissa Rose born in 1973; and one son from the second union, ...