This is too complex a question for this forum. From your description it seems an offshore company would be the best solution. Hire an international...

Depending on when and how the property was acquired and the terms of your marriage, it may already be part of the marital property. Consult either...

Sorry, I don't do immigration law. I hope an immigration lawyer responds to your question.

More likely than not, unless you can find out in discovery, you will have to hire attorneys in each jurisdiction.

This is an immigration question. Pass to that area.

This is an American forum. Direct UK questions to a UK attorney.

If your luggage is worth it, hire a lawyer. Otherwise, contact Delata and get them to pay you in a form acceptable to you or your bank. Some banks...

This is an immigration issue. Pass to that area.

An Ecuadoran lawyer or the nearest consulate or the embassy of Ecuador.

If the birth certificate -or any other Italian document was defective, it is an issue for an Italian court or their civil registry.