|Easton's Bible Dictionary|
An ancestor of the prophet Zephaniah (1:1).
Int. Standard Bible Encyclopedia
hiz-ki'-a (chizqiyah; Septuagint Ezekia, "strength of Yah"):
(1) A son of Neariah, a descendant of David (1 Chronicles 3:23, the King James Version "Hezekiah").
(2) An ancestor of the prophet Zephaniah (Ze 1:1). In the Revised Version (British and American) this word is here translated "Hezekiah." This name again appears in Nehemiah 10:17 (Hebrew 18) in the form of "Hizkijah" in the King James Version, but as "Hezekiah" in the Revised Version (British and American).
Hizkiah (2 Occurrences)
1 Chronicles 3:23 The sons of Neariah: Elioenai, and Hizkiah, and Azrikam, three. (WEB JPS ASV BBE NAS NIV)
Zephaniah 1:1 The word of the LORD which came unto Zephaniah the son of Cushi, the son of Gedaliah, the son of Amariah, the son of Hizkiah, in the days of Josiah the son of Amon, king of Judah. (KJV WBS)