Brain Snacks: Tasty Tidbits of Knowledge
The rhyme royal form in which the "Clerk's Tale" is written (the seven-line stanza rhyming ababbcc) was first introduced in English by Chaucer in his Troilus and Criseyde and Parlement of Foules (source).
The real-life family that ruled Saluzzo (Salucia) in the
medieval period were the descendants of Marquess Bonifacio del Vaso. They were
often in conflict with the Dukes of Savoy over the region (source).