John Gills Exposition of the Bible Commentary - 1 Chronicles 12:4
And Ishmaiah the Gibeonite, a mighty man among the thirty, and over the thirty ,.... That came with him, and he had the command of; this man was of Gibeon, another city in the tribe of Benjamin, Joshua 18:25 . and Jeremiah, and Jahaziel, and Johanan, and Josabad, the Gederathite ; one of Gederah, a city in the tribe of Judah, perhaps on the borders of that and Benjamin; Joram speaks of it as belonging to the country of the city Aelia or Jerusalem. read more
Matthew Henry's Complete Commentary - 1 Chronicles 12:1-22
We have here an account of those that appeared and acted as David's friends, upon the death of Saul, to bring about the revolution. All the forces he had, while he was persecuted, was but 600 men, who served for his guards; but, when the time had come that he must begin to act offensively, Providence brought in more to his assistance. Even while he kept himself close, because of Saul (1 Chron. 12:1), while he did not appear, to invite or encourage his friends and well-wishers to come in to him... read more