3129. 'And Rebekah had a brother' means the affection for good in the natural man. This is clear from the meaning of 'a brother' and of 'a sister' in the Word - 'a brother' being the affection for good, and 'a sister' the affection for truth, dealt with in 367, 2360, 2508, 2524. For in the natural man, as in the rational, all things there are interrelated like blood relatives and relatives by marriage, 2556, 2739. For that reason also the rational mind as well as the natural mind is called a house or family where parents, brothers, sisters, blood relatives, and relatives by marriage exist in order.