| william ii | (n) the second son of William the Conqueror who succeeded him as King of England (1056-1100), Syn. William Rufus |
| william iii | (n) King of England and Scotland and Ireland; he married the daughter of James II and was invited by opponents of James II to invade England; when James fled, William III and Mary II were declared joint monarchs (1650-1702), Syn. William of Orange |
| frederick william ii | (n) king of Prussia who became involved in a costly war with France (1744-1797) |
| frederick william iii | (n) king of Prussia who became involved in the Napoleonic Wars (1770-1840) |