Nehemiah 3:21

After him Meremoth the son of Uriah the son of Hakkoz repaired another section, from the doorway of Eliashib’s house even as far as the end of his house.

Ezra 2:61

Of the sons of the priests: the sons of Habaiah, the sons of Hakkoz, the sons of Barzillai, who took a wife from the daughters of Barzillai the Gileadite, and he was called by their name.

Nehemiah 7:63

Of the priests: the sons of Hobaiah, the sons of Hakkoz, the sons of Barzillai, who took a wife of the daughters of Barzillai, the Gileadite, and was named after them.

Treasury of Scripture Knowledge

Summary

After him repaired Meremoth the son of Urijah the son of Koz another piece, from the door of the house of Eliashib even to the end of the house of Eliashib.

Bible References

Koz

Nehemiah 7:63
Of the priests: the sons of Hobaiah, the sons of Hakkoz, the sons of Barzillai, who took a wife of the daughters of Barzillai, the Gileadite, and was named after them.
Ezra 2:61
Of the sons of the priests: the sons of Habaiah, the sons of Hakkoz, the sons of Barzillai, who took a wife from the daughters of Barzillai the Gileadite, and he was called by their name.