Swear now therefore to me by Yahweh, that you will not cut off my seed after me, and that you will not destroy my name out of my father's house.
"The verb ’cut off’ forms something of a recurring theme, a leit-motiv, in 1 Samuel 20-24." [Note: Baldwin, p. 146. Cf. 15:28; 20:14-17; 24:4.] 