his. Seleucus II (Callinicus).
sons. Hebrew text is "son" (singular) But the Hebrew margin, with some codices and one early printed edition, read "sons" (plural), as here: i.e. Seleucus II (Callinicus) and his brother Antiochus III. See Encycl. Brit., 11th (Cambridge) ed., vol. 24, p. 604.
shall. he shall: i.e. Antiochus III, the second king of the north, his brother having died by. fall from his horse.
come. Some codices, with one early printed edition, and Syriac, read "come against him".
be stirred up. will wage war. Defeating Antiochus III.