A case for Gibberish

[ReneZ]

We cannot be entirely sure that he 'acquired' it (this leaves open the possibility that he never actually paid).
Calling it questionable is probably too strong. The available evidence is quite reliable by itself. There is no particular reason to doubt it. It is not in contradiction with anything, and in fact it fits quite well with the known ownership by Jacobus de Tepenec some time between 1608 and 1622.

That he was bad at paying people for items or services that he obtained is certainly true, and well documented.

Here is a nice list of his debts after his death:
You are not allowed to view links. Register or Login to view.
This is not necessarily complete.