|Easton's Bible Dictionary|
My delight is in her.
(1.) The wife of Hezekiah and mother of king Manasseh (2 Kings 21:1).
(2.) A symbolical name of Zion, as representing the Lord's favour toward her (Isaiah 62:4).
Int. Standard Bible Encyclopedia
hef'-zi-ba (chephtsi-bhah, "my delight is in her"):
(1) Septuagint Hopseiba, Hapseiba, Hophsiba, the mother of Manasseh (2 Kings 21:1).
(2) The new name of Zion (Isaiah 62:4); Septuagint translates Thelema emon, "my delight."
Hephzibah (2 Occurrences)
2 Kings 21:1 Manasseh was twelve years old when he began to reign; and he reigned fifty-five years in Jerusalem: and his mother's name was Hephzibah. (WEB KJV ASV DBY NAS NIV)
Isaiah 62:4 You shall no more be termed Forsaken; neither shall your land any more be termed Desolate: but you shall be called Hephzibah, and your land Beulah; for Yahweh delights in you, and your land shall be married. (WEB KJV NIV)