"a king with a large jaw and a queen with a fair face, on the throne of France."

Louis XVI
Public DomainLouis XVI - Credit: PBS
Marie Antoinette
Public DomainMarie Antoinette - Credit: PBS
This refers to Marie Antoinette and Louis XVI, the rulers of France around 1774.  Even though Louis XVI inherited a government in debt,  the French public soon began to view these two rulers as "spendthrifts."