A prenuptial agreement is a written contract between two people before they are married.  It normally lists all of the property each person owns and specifies what each person's property rights will be after the marriage 
The Prenuptial Agreement is governed by the Thai Civil It is important that you seek advice from a registered Thai lawyer with knowledge of the laws in your home country and in Thailand before preparing a prenuptial agreement with a Thai national fiancée. 
Under Thai law, you specify assets involved and separate them into two categories—community property (Sin Somros) and separate property (Sin Suan Tua) You can also specify how finances will be managed during the marriage. but restrictions on child support are generally not allowed.

Magna Carta has licensed lawyers that have divorce litigation experience and understand how a prenuptial agreement will be treated in a divorce situation.