Jeconiah.

2 Kings 24:6,8 So Jehoiakim slept with his fathers: and Jehoiachin his son reigned in his stead...

2 Kings 25:27 And it came to pass in the seven and thirtieth year of the captivity of Jehoiachin king of Judah, in the twelfth month...

2 Chronicles 36:9 Jehoiachin was eight years old when he began to reign, and he reigned three months and ten days in Jerusalem...

Jehoiachin.

Jeremiah 22:24,28 As I live, said the LORD, though Coniah the son of Jehoiakim king of Judah were the signet on my right hand...

Coniah.

Matthew 1:11 And Josias begat Jechonias and his brothers, about the time they were carried away to Babylon:

Jechonias.
Zedekiah. As the sons of Jeconiah are enumerated in the succeeding verse, and as Zedekiah is no where else mentioned as the son of Jeconiah, but as the son of Josiah, it is highly probable that son here means successor.

1 Chronicles 3:15 And the sons of Josiah were, the firstborn Johanan, the second Jehoiakim, the third Zedekiah, the fourth Shallum.

2 Kings 24:17 And the king of Babylon made Mattaniah his father's brother king in his stead, and changed his name to Zedekiah.

being his uncle.