choosing to elope and endure (temporary) banishment rather than obey their sovereigns' commands. Evolution of dynastic law European dynasties dethroned at the end of World War I continue to enforce their house laws even though they had no legal authority to do so. Some continued doing so through the 20th century (Bourbon-Sicily, Prussia, Württemberg). Governments in extant monarchies, without calling the legal mechanisms house laws, have generally strengthened their control over the marriages of members of their royal families since the second half of the 20th century. Previously a prince could often morganatically marry a woman not deemed acceptable as a royal consort, relegating her and their children to a sub-royal status. That is rarely an option anymore. In most Western European monarchies of today, a prince must renounce or forfeit membership in the royal house if his chosen spouse is not deemed suitable, e.g., Prince Johan-Friso of Orange-Nassau. See also Salic law Imperial Household Law Hereditary monarchy References Kinship and descent Monarchy