Ellicott's Commentary for English Readers - 2 Samuel 3:18
(18) The Lord hath spoken.—The promise here quoted is not contained in so many words in the records which have come down to us. It may have been either an unrecorded utterance of one of the prophets (Samuel, Gad, or Nathan), or simply a reasonable inference from what had been promised, and from the Divine support of David in his career hitherto. read more
John Dummelow's Commentary on the Bible - 2 Samuel 3:1-39
Abner is Treacherously Murdered by Joab3. Chileab] We read nothing more of him and he probably died as a child. In 1 Chronicles 3:1 he is called Daniel. Geshur] a kingdom on the border of Bashan, where Absalom afterwards took refuge (2 Samuel 13:37) It must not be confused with the Geshur of 1 Samuel 27:8.4. Adonijah] see 1 Kings 1.7. Rizpah] see 2 Samuel 21:8-11. Gone in unto my father’s concubine] According to Eastern ideas this was equivalent to laying claim to the throne: see 2 Samuel 12:8;... read more