Abstract: Entailing landed property was a common feature of European property law in the late medieval and early modern periods, and beyond. Entails were far more common in some European states than in others. The article undertakes comparative research into different forms of entailed property between Poland (where entails were not common) and England and Wales (where entails were common). There is also comparative analysis with the later English common law strict settlement which had the entail at its core. The features which will be compared are who created such settlements; why they were created; the different methods of creation; the attitude of the state/royal government; who benefitted under such settlements; inalienability of land; and perpetuity