Board Thread:Theories and Speculation/@comment-1783334-20150507053750/@comment-25467892-20150508042722

Best guess on my part, the boy is Itachi's son, as the folks above have been saying.

The person in the cloak? Either the boy's mother or a member of Taka, they are the only ones outside of Orochimaru and Kabuto that are still alive and had any affiliation with Akatsuki.