In the received Hebrew text "the sons of Arnan" are mentioned in the genealogy of Zerubbabel. (1 Chronicles 3:21)
Arnan
1 verse
1 Chronicles
1 Chronicles 3:21
And the sons of Hananiah; Pelatiah, and Jesaiah: the sons of Rephaiah, the sons of Arnan, the sons of Obadiah, the sons of Shechaniah.
From Smith's Bible Dictionary
William Smith, 1884