And the king of Babylon provided Jehoiachin a daily portion for the rest of his life, until the day of his death.

2 Samuel 9:10
You and your sons and servants are to work the ground for him and bring in the harvest, so that your master's grandson may have food to eat. But Mephibosheth, your master's grandson, is always to eat at my table." Now Ziba had fifteen sons and twenty servants.

2 Kings 25:30
And the king provided Jehoiachin a daily portion for the rest of his life.

Jeremiah 40:5
But before Jeremiah turned to go, Nebuzaradan added, "Return to Gedaliah son of Ahikam, the son of Shaphan, whom the king of Babylon has appointed over the cities of Judah, and stay with him among the people, or go anywhere else that seems right." Then the captain of the guard gave him a ration and a gift and released him.

And for his diet, there was a continual diet given him of the king of Babylon, every day a portion until the day of his death, all the days of his life.