The phrase "impeccable pedigree" is used to describe someone or something that comes from a highly respected and distinguished background or lineage. It suggests a strong heritage or ancestry that is faultless and highly regarded. Full definition
Available for delivery starting in August 2008, the new models may be ordered now by fans of fast cars with impeccable pedigree. (ausmotive.com)
Asuka has an impeccable pedigree from her many years wrestling in Japan. (sbnation.com)
Few, however, will have wondered how a bird with an impeccable pedigree has been transformed into the avian monstrosity at the centre of their festive feasts. (newscientist.com)