And he said, They were my brethren, even the sons of my mother: as the LORD lives, if you had saved them alive, I would not slay you.
All Commentaries on Judges 8:19 Go To Judges 8
George Leo Haydock
AD 1849
Kill you. They were not included in the number of the seven devoted nations, (Worthington) and the precept for destroying the Madianites no longer subsisted, Numbers xxxi. 17. (Menochius)
The laws of war permitted the Hebrews to kill their prisoners, if they thought proper. No public executioner was necessary. Samuel killed Agag, 1 Kings xv. 32. See 3 Kings ii. 25., and 2 Kings i. 15. (Calmet)
Gedeon had a mind to make his son partake in the victory, and punish these kings for an unjust murder of his relations. He would also inure him to fight against the enemies of God (Menochius)