bloodline
n. B2 Upper Intermediate US //ˈbɫədˌɫaɪn// UK //blˈʌdlaɪn// blood·line
n. a family of people who are related by marriage or by having the same ancestors. It can also describe a group of animals that have been bred together for many years.
n. a line of descent from a common ancestor; a family or group of animals sharing a common genetic heritage. Often used in the context of selective breeding or historical genealogy.
The family has a long and proud bloodline.
The breeder carefully maintained the bloodline of the champion racehorses to ensure their offspring inherited the same speed.
Historians often trace the bloodline of European royalty to understand how power and land were distributed across centuries of political upheaval.