Question Summary:
In the absence of a childs parents who is the next rightfull owner according to Shariah?

Question Detail:

In the absence of a childs parents who is the next rightfull owner according to Shariah?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh. 
You may refer to the following link
http://askimam.org/public/question_detail/15453
Abu Ali ad-Dagistani
Moscow, Russia
Checked and Approved by,
Mufti Ebrahim Desai