Main definitions of William I in English

: William I1William I2

William I1

proper noun

  • (1143–1214), grandson of David I; king of Scotland 1165–1214; known as William the Lion.

Main definitions of William I in English

: William I1William I2

William I2

proper noun

  • (1533–84), prince of the House of Orange; first stadtholder (chief magistrate) of the United Provinces of the Netherlands 1572–84; known as William the Silent.