lineage
noun [ C or U ] formal uk/ˈlɪn.i.ɪdʒ/ us/ˈlɪn.i.ɪdʒ/
血统;世系
the members of a person's family who are directly related to that person and who lived a long time before him or her
She's very proud of her ancient royal lineage. 她为自己拥有古老的皇室血统倍感自豪。