Series in which celebrities trace their ancestry, discovering secrets and surprises from their past. Jeremy Clarkson goes in search of a family fortune and on the way charts the rise and fall of British manufacturing from mid 19th to mid 20th century, through the Kilner Glass company. It was set up by a distant ancestor and did very well, but went bust in the 1930s. Jeremy wants to know what went wrong and where his inheritance went. Show less