"You have been in a bad school for matrimony, in Hill Street"
Uxbridge House, Mayfair, in 1801
Public DomainUxbridge House, Mayfair, in 1801 - Credit: Thomas Malton Junior

 Presumably, Mrs. Grant is referring to the London home of Admiral Crawford and Mrs Crawford, who were unhappily married. Hill Street is situated in London's Mayfair, which was developed (principally by the Grosvenor family) as a fashionable residential area in the 17th and 18th centuries.

 

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