Zephaniah 1:1 References

1 The word of the Lord which came to Zephaniah son of Cushi, son of Gedaliah, son of Amariah, son of Hezekiah, in the days of aJosiah son of bAmon, king of Judah:

b 2 Kings 21:18-26, 2 Chronicles 33:20-25

2 Kings 21

18 aAnd Manasseh slept with his fathers and was buried in the garden of his own house, bin the garden of Uzza, and Amon his son became king in his place.
19 aAmon was twenty-two years old when he became king, and he reigned two years in Jerusalem; and his mother's name was Meshullemeth the daughter of Haruz of Jotbah.
20 He did evil in the sight of the Lord, aas Manasseh his father had done.
21 For he walked in all the way that his father had walked, and served the idols that his father had served and worshiped them.
22 So ahe forsook the Lord, the God of his fathers, and did not walk in the way of the Lord.
23 aThe servants of Amon conspired against him and killed the king in his own house.
24 Then athe people of the land killed all those who had conspired against King Amon, and the people of the land made Josiah his son king in his place.
25 Now the rest of the acts of Amon which he did, are they not written in the Book of the Chronicles of the Kings of Judah?
26 He was buried in his grave ain the garden of Uzza, and Josiah his son became king in his place.

2 Chronicles 33

20 So Manasseh slept with his fathers, and they buried him in his own house. And Amon his son became king in his place.
21 aAmon was twenty-two years old when he became king, and he reigned two years in Jerusalem.
22 He did evil in the sight of the Lord as Manasseh his father ahad done, and Amon sacrificed to all bthe carved images which his father Manasseh had made, and he served them.
23 Moreover, he did not humble himself before the Lord aas his father Manasseh had done, but Amon multiplied guilt.
24 Finally ahis servants conspired against him and put him to death in his own house.
25 But the people of the land killed all the conspirators against King Amon, and the people of the land made Josiah his son king in his place.

Other references for Zephaniah 1:1

a 2 Kings 22:1, 2 Kings 22:2, 2 Chronicles 34:1-33, Jeremiah 1:2, Jeremiah 22:11