Ezra 2:62

62 Since they were unable to prove who their ancestors were, they were not accepted as priests.

Ezra 2:62 In-Context

60 but they could not prove that they were descendants of Israelites.
61 The following priestly clans could find no record to prove their ancestry: Habaiah, Hakkoz, and Barzillai. (The ancestor of the priestly clan of Barzillai had married a woman from the clan of Barzillai of Gilead and had taken the name of his father-in-law's clan.)
62 Since they were unable to prove who their ancestors were, they were not accepted as priests.
63 The Jewish governor told them that they could not eat the food offered to God until there was a priest who could use the Urim and Thummim.
64 Total number of exiles who returned - 42,360
Scripture taken from the Good News Translation - Second Edition, Copyright 1992 by American Bible Society. Used by Permission.