Kosam is a personal name appearing in a genealogy as the father of Er.

The attested use is a personal name in a genealogical father-son sequence: Luke 3:28 places it between Addi and Er.

1. Personal name in a genealogy · dominant

   In Luke 3:28, the genitive singular masculine form occurs in the sequence “the son of Addi, the son of Cosam, the son of Er.” The APB renders the verse as a genealogical line, placing this name as the father of Er.

   Luke 3:28

In the Anselm Project Bible: In Luke 3:28, the APB presents the name as “Cosam” within a father-son genealogy. The verse is read as a whole, but the sequence identifies its place between Addi and Er.