John Gills Exposition of the Bible Commentary - 1 Chronicles 12:15
These are they that went over Jordan in the first month ,.... The month Nisan or Ab; as they must come over Jordan to come to David, since they dwelt on the other side of it: when it had overflown all its banks ; as it did at this time of the year, see Joshua 3:15 which is observed to show both the time of the year when they came over, and their zeal and ardour to assist David, and their boldness and intrepidity; fearless of danger, they threw themselves into Jordan, and swam over it,... 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