In medieval English law, widows were entitled to dower and widowers to curtesy, both being life interests in the deceased’s real property. In addition, the personal property of the deceased was divided according to a tripartite system, with surviving spouse and children being entitled to one-third each and only the final third being available for disposal by will. The tripartite system was abandoned in the early modern period though it survives still in Scotland. But dower and curtesy remained and were exported to the British Empire. In the United States they had a rich future, developing into the fixed ‘elective share’ of the deceased’s estate which is available, in many states, for the surviving spouse. Elsewhere, dower and curtesy faded away during the nineteenth century giving rise to almost complete freedom of testation. This freedom was, however, short-lived. In 1900, New Zealand, having considered but rejected the tripartite system of fixed shares still used in Scotland, introduced a discretionary ‘family provision’ by which courts could make awards to close family members. The New Zealand model was soon copied throughout Australia, in the common law provinces of Canada, and, in 1938, in England and Wales itself. The chapter considers the reasons for the abandonment of freedom of testation, and examines the debate in New Zealand, England, and the Republic of Ireland as to whether family protection was best achieved by a system of fixed shares, as in Scotland, or by a system involving judicial discretion.