Related Clues:

• These voices were heard in Xanadu
• Lancaster, possibly from a long line
• Genetic modification could produce clean rats
• An essential pole switched, then handed down
• With reference to forerunners from Lancaster incorrectly recorded
• Clear ants out of the house
• Passed down from Lancaster?
• Of the family of Lancaster, perhaps
• Lancaster comprised such a home for Gaunt's kin
• Down the line from Lancaster
• 23 tars at sea, coming down a line?
• Relating to heredity
• Passed down from a previous generation
• Acquired or understood
• Understood, as a joke