The phrase "rich pedigree" refers to a person or thing having a notable or distinguished family background or heritage. It suggests that they come from a long line of successful or accomplished individuals. Full definition
«You can look at the room today and see amazing ladies and gentlemen with rich pedigree and experience. (nigeriapoliticsonline.com)
But look around you today, senators, former governors and former ministers with rich pedigree, experience and competences. (nigeriapoliticsonline.com)
The notion that economics is the foundation of American partisan alignments has a rich pedigree, reaching back to the Federalist Papers, forward through Karl Marx and his followers, to modern, positivist social science. (firstthings.com)