line of descent

• Terme formel désignant la lignée directe ou l'ascendance par laquelle une personne, une famille ou un groupe descend d'un ancêtre commun.

A formal term referring to the direct lineage or ancestry through which a person, family, or group is descended from a common ancestor.

1. Ancestry or lineageB2formal

   The sequence of ancestors from whom a person is descended; family line.

   lignée

   • She traced her line of descent back to the 17th century.
   • The royal line of descent is carefully documented.
   • He comes from a long line of descent of skilled craftsmen.

2. Biological inheritanceB2formal

   The direct genetic relationship through parents, grandparents, and earlier ancestors.

   lignée de descendance

   • The disease is passed down through the male line of descent.
   • Their line of descent includes several notable scientists.
   • The study examined the line of descent of the species.