John Gill Commentary Matthew 1:9

"and Uzziah begat Jotham; and Jotham begat Ahaz; and Ahaz begat Hezekiah;" — Matthew 1:9 (ASV)

And Ozias begat Joatham
Called Jotham, (2 Kings 15:7) him Ozias begat of Jerushah, the daughter of Zadok, (2 Kings 15:33) .

And Joatham begat Achaz ,
or Ahaz, (2 Kings 15:38) to him the sign was given, and the famous prophecy of the Messiah, (Isaiah 7:14) .

And Achaz begat Ezekias ,
or Hezekiah, (2 Kings 16:20) him Ahaz begat of Abi, the daughter of Zachariah, (2 Kings 18:2) . He was a very religious king, and had that singular favour from God to have fifteen years added to his days, (Isaiah 38:5) .