* What is the specific situation? How did your horses end up with your neighbor? Did they escape, were they loaned, or is there a dispute?
* Have you spoken to your neighbor? If so, what was their response?
* Is there any legal agreement or documentation regarding the horses? This could be a loan agreement, a sales agreement, or even just a simple written acknowledgment of ownership.
* Where do you live? Laws regarding property ownership and disputes can vary by location.
Once I have a better understanding of your situation, I can provide more specific and helpful advice.
Please remember that legal matters are complex, and I am not a lawyer. If you are in a serious dispute with your neighbor, it is important to seek legal advice from a qualified attorney.