From BiblePortal Wikipedia

Smith's Bible Dictionary [1]

Jo'atham. See Jotham . The son of Uzziah.  Matthew 1:9.

Morrish Bible Dictionary [2]

Son of Ozias in the genealogy of the Lord Jesus.  Matthew 1:9 . The same as JOTHAM, the son of Uzziah.

Holman Bible Dictionary [3]

 Matthew 1:9JM

International Standard Bible Encyclopedia [4]

jō´a - tham ( Ἰωάθαμ , Iōátham ): the King James Version for the Revised Version (British and American) "Jotham" (  Matthew 1:9 ). See Jotham (the king).