countesses
Meaning
of Countess
Source: Webster's dictionaryExamples
Former kings and queens become counts and countesses (dukes and duchesses if they have reigned more than once), and former princes and princesses of Principalities become viscounts and viscountesses.
"I heard that Bud Fisher (creator of Mutt and Jeff ) got $3,000 a week and was constantly marrying French countesses," Capp said.