Leonardo and Spain: an scheme of relationships

For a long time I have been thinking in a scheme of Leonardo's links with people of his time who had any relationship -to any degree- with Spain. Obviously, in the scheme I present here are missing some important persons and locations, but I think it could serve as a sketch.

I think that this is a completelly new work. Therefore, it is temporary, and is open to revisions. I would appreciate any objections or clarifications you can send me. Despite its apparent complexity, this chart is result of a substantial simplification of the initial scheme.

From my point of view, this chart shows reliably the link of Leonardo with Spain, which took place since the time of youth until his old age.