Jacob tore his clothes, and put sackcloth on his waist, and mourned for his son many days.
TSK
TSK · Judges 11:35
Treasury of Scripture Knowledge references in WEB.
"'Notwithstanding, no devoted thing, that a man shall devote to Yahweh of all that he has, whether of man or animal, or of the field of his possession, shall be sold or redeemed: every devoted thing is most holy to Yahweh.
When a man vows a vow to Yahweh, or swears an oath to bind his soul with a bond, he shall not break his word; he shall do according to all that proceeds out of his mouth.
Joshua tore his clothes, and fell to the earth on his face before the ark of Yahweh until the evening, he and the elders of Israel; and they put dust on their heads.
Saul said, "God do so and more also; for you shall surely die, Jonathan."
The king was much moved, and went up to the room over the gate, and wept. As he went, he said, "My son Absalom! My son, my son Absalom! I wish I had died for you, Absalom, my son, my son!"
In whose eyes a vile man is despised, but who honors those who fear Yahweh; he who keeps an oath even when it hurts, and doesn't change;
which my lips promised, and my mouth spoke, when I was in distress.
Whereupon he promised with an oath to give her whatever she should ask.