Thane of GlamisHistorical ReferenceAct 1,Scene 3Line 48An explanation of Macbeth's title as the lord of Glamis castle and surrounding lands in myshakespeare's Macbeth, Act 1, scene 3. First Witch All hail, Macbeth. Hail to thee, Thane of Glamis. Macbeth is the inherited lord of Glamis castle and the lands surrounding it.