For mixed-nationality couples in Indonesia, a prenup and a will protect different interests. A prenup determines how assets are owned during marriage, while a will determines what happens to a person’s estate after death. This distinction matters when a couple owns Indonesian property, business interests, or assets in more than one country.
How a Prenup Changes What Enters the Estate
Under Indonesia’s property rules for married couples, assets acquired during marriage generally become joint property unless the spouses have agreed otherwise. Assets owned before marriage and assets received individually as gifts or inheritance generally remain that spouse’s separate property.
Couples who are already married can also enter into a postnup. Existing ownership arrangements and the rights of creditors or other third parties must still be considered.
For Indonesian land, a marital agreement can separate property between an Indonesian citizen and a foreign spouse, but it cannot give the foreign spouse a land right that foreigners are not legally allowed to hold.
What a Will Can Actually Determine
A will can only deal with assets that form part of the deceased person’s estate, and those assets cannot necessarily be distributed without restriction. The inheritance rules that apply in Indonesia depend on the circumstances of the individual and family, and certain heirs may have rights that cannot simply be excluded through a will.
What Happens When a Foreign Spouse Inherits Indonesian Property?
This is particularly important for Hak Milik, the strongest form of land ownership in Indonesia, which is generally reserved for Indonesian citizens. If a foreign national obtains Hak Milik through inheritance without a will, the right must be relinquished within one year. If this does not happen, the Hak Milik is extinguished by law and the land falls to the state, while existing third-party rights over the property remain protected.
A will cannot be used to transfer Hak Milik to a foreign spouse who is not legally eligible to hold that right. The inheritance plan therefore needs to consider not only who should benefit from the property, but also how that benefit can legally be structured under Indonesian land rules.
A prenup does not override these restrictions either. Separation of property can clarify who owns the property during the marriage, but it cannot make a foreign spouse eligible to hold Hak Milik.
When Prenups and Wills Need to Work Together
Consider an Indonesian citizen married to a foreign national who owns Indonesian property and shares in a family company. A marital agreement can establish which assets remain separately owned during the marriage. A will can then address what should happen to the Indonesian spouse’s estate after death, within the inheritance and ownership rules that apply.
Preparing a will without reviewing an existing prenup or postnup can create problems. The will may assume that an asset belongs entirely to one spouse when the couple’s actual property arrangement says otherwise.
Cross-Border Assets Can Require Separate Planning
An Indonesian prenup or will should not automatically be assumed to produce the same result for assets overseas. Similarly, a will prepared in another country may not deal with Indonesian assets exactly as intended.
Which inheritance rules apply can depend on the couple, the type and location of the assets, and whether documents prepared overseas are recognized in Indonesia.
How Jarji Zaidan & Partners Can Assist
Jarji Zaidan & Partners assists mixed-nationality couples with prenups, postnups, wills, and inheritance matters in Indonesia. Contact us at info@jarjizaidan-partners.com  or on WhatsApp +62 821-9000-3273 / +62 813-1403-8907.
