None of that exists for Mohammed.
And don't drag wikipedia into a discussion of Jesus. Come on.
All that is known about those relationships is what is written in the gospels and as noted, those accounts are not contemporaneous. And the apostles are not known to have written them.
It's not all that different from Mohammed.
"And don't drag wikipedia into a discussion of Jesus. Come on."
I'm not citing Wikipedia as an authority, I'm pointing to an article that simply explains the facts, which happen to be correct.