Adam and Eve had many sons and daughters, Gen. 5:4. But Cain and Abel seem to have been the two eldest. Some think they were twins, and, as Esau and Jacob, the elder hated and the younger loved. Though God had cast our first parents out of paradise, he did not write them childless; but, to show that he had other blessings in store for them, he preserved to them the benefit of that first blessing o...