bloodline
US /ˈblʌd.laɪn/
UK /ˈblʌd.laɪn/

1.
línea de sangre, linaje
a line of descent of a particular individual or family
:
•
The royal bloodline has been traced back for centuries.
La línea de sangre real ha sido rastreada durante siglos.
•
He was proud of his ancient bloodline.
Estaba orgulloso de su antigua línea de sangre.