Abi. In 2 Chronicles 29:1 it is "Abijah", but "Abi" may be the abbreviation of "Abijah", the "i" or "j" standing for "jah".
Related Commentaries of 2 Kings 18:2
2 Kings 18:2
2 Twenty and five years old was he when he began to reign; and he reigned twenty and nine years in Jerusalem. His mother's name also was Abi,b the daughter of Zachariah.