263. Did Jeconiah have any sons?

Jeconiah had no sons.

Thus saith the Lord, write this man [Jeconiah] childless .... No man of his seed shall prosper, sitting upon the throne of David, and ruling any more in Judah. Jeremiah 22:28-30

Jeconiah had several sons.

(One of them was an ancestor of Jesus.)
And the sons of Jeconiah; Assir, Salatheil his son, Malchiram also, and Pedaiah, and Shenazar, Jecamiah, Hoshama, and Nedabiah. 1 Chronicles 3.17-18:

The book of the generation of Jesus Christ ... Jeconiah begat Shealtiel ... And Jacob begat Joseph the husband of Mary, of whom was born Jesus, who is called Christ. Matthew 1:1-16