And Abraham said unto his eldest servant of his house, that ruled over all that he had, Put, I pray thee, thy hand under my thigh: And I will make thee swear by the LORD, the God of heaven, and the God of the earth, that thou shalt not take a wife unto my son of the daughters of the Canaanites, among whom I dwell:
It is an anxious concern, with every gracious parent, that his children should not be connected with ungracious partners, 2 Corinthians 6:14-18.