The Boy in the Box was finally identified after 65 years. His name is Joseph Augustus Varelli. They have identified both his parents but are not releasing that information because it's an ongoing investigation.
https://6abc.com/boy-in-the-box-identified-philadelphia-cold-case-watch-news-conference-live-name/12544392/
The boy's DNA has been traced to a prominent family in Delaware County, according to the NBC Philadelphia report.
https://www.newsweek.com/boy-box-revealed-identity-philadelphia-pennsylvania-latest-1763911
I started a dig on prominent families from Delaware county and came across a family that made my spidey senses tingle.
The Wyeth family of Artist is from Chadds Ford PA which is 10 miles from Wilmington Delaware.
N. C. Wyeth illustrated "Last of the Mohicans" and Jamie Wyeth painted a portrait of JFK that hangs in Joe Bidens office. Jamie Wyeth also painted a portrait of Andy Warhol.
https://en.wikipedia.org/wiki/Andrew_Wyeth