If there are two children with same name they should have separate pages with sources on their pages for each explaining/clarifying that. Per wikitree each should have a single page and names not used in their lifetime (the I&II) here aren't recommended in the name fields. Nice catch Chris! :) Thx!
You can merge this into the other lower one. It looks like it is a dupe from your gedcom that you forgot to delete.
There is no information that would tie him to anyone else.
Joseph is 13 degrees from Charles Darwin, 14 degrees from Amelia Earhart, 15 degrees from Queen Elizabeth II Windsor and 21 degrees from Gilly Wood on our single family tree. Login to find your connection.