Does Cain and Abel has sisters?

Genesis:5:4: And the days of Adam after he had begotten Seth were eight hundred years: and he begat sons and daughters:

Bible does not say much about except that they married their brothers.

Genesis:4:17: And Cain knew his wife; and she conceived, and bare Enoch: and he builded a city, and called the name of the city, after the name of his son, Enoch.