well-born
From Longman Dictionary of Contemporary Englishwell-bornˌwell-ˈborn adjective formal CLASS IN SOCIETYborn into a very rich or important familyExamples from the Corpuswell-born• In well-born family and friends, Taylor had a credential worth more than any college degree.• And while she's on the job, she'd better look round for a well-born filly for Timothy to marry.• I've got a cranky female cousin, rich as Croesus, and well-born to boot.