Apparently the process of adopting Jack involved some stress for John Roberts. According to Dan Klaidman of Newsweek, during the contested 2000 election, Roberts "spent a few days in Florida advising lawyers [for George W. Bush] on their legal strategy," but "he did not play a central role," because " at the time, Roberts was preoccupied with the adoption of his son."
https://underneaththeirrobes.blogs.com/main/2005/08/the_roberts_ado.html