To see your parents in your dream symbolise both power, shelter, and love. You may be expressing your concerns and worries about your own parents. Alternatively, it represents the merging of the female and male aspects of your character.
To dream about the death of your parents indicates that you are undergoing a significant change in your waking life. Your relationship with your parents has evolved into a new realm.
Dreaming about your friend’s parents, even though you may have never met them, refers to your wishes of how you want your own parents to be like.