Latch To A Grave lyrics

I am a Lord's attendant A soldier's loyal kin To my master dear Companion to my king A queen on me sometimes Nobly, swears an oath I hold in my possession The latch to a grave My tongue is firm Yet oft I, to the poet A loan of words Give for his verse Faultless is my form And noble is my cause Yet in the hands of some Deathly is my touch