Fascinating and authoritative of Britain's royal families from Henry VIII to Elizabeth I to Queen Victoria, by leading popular historian Alison Weir 'George III is alleged to have married secretly, on 17th April, 1759, a Quakeress called Hannah Lightfoot. If George III did make such a marriage. then his subsequent marriage to Queen Charlotte was bigamous, and every monarch of Britain since has been a usurper, the rightful heirs of George III being his children by Hannah Lightfoot. ' Britain's Royal Families provides in one volume, complete genealogical details of all members of the royal houses of England, Scotland and Great Britain - from 800AD to the present. Drawing on countless authorities, both ancient and modern, Alison Weir explores the crown and royal family tree in unprecedented depth and provides a comprehensive guide to the heritage of today's royal family - with fascinating insight and often scandalous secrets. 'Staggeringly useful. combines solid information with tantalising appetisers. ' Mail on Sunday.