If you adopt the person or even an animal in a dream, then it means that your relatives or close friends will ask for a hand. If you are being adopted by someone, then it could either mean you should be careful with your enemies or it shows that other cares about you, depending how you feel about this adoption. The children that are adopted means that you wish to do well for others.
Adoption dream meaning
Read more about dreaming of Adoption in other dream meanings interpretations.