'Vowed A Vow' in the Bible

And Jacob vowed a vow, saying, - If God will be with me, and will keep me in this way whereon, I, am going, and give me bread to eat and raiment to put on;

And Jephthah vowed a vow unto Yahweh, and said, - If thou wilt, deliver, the sons of Ammon into my hand,

And she vowed a vow, and said - Yahweh of hosts! If thou wilt, look, upon the humiliation of thy handmaid, and remember me, and not forget thy handmaid, but wilt give unto thy handmaid a man-child, then will I give him unto Yahweh, all the days of his life, and no, razor, shall come upon his head.