I am wondering if one of the Gurus out there could help me with Swiss Inheritance law.

My Spouse and I are newly Swiss. We have no children. If one of us, or both of us, were to die without a will how would our estates be distributed amongst our remaining kin. My Wife has a Sister, I have a mother, father, sister and brother. Also I have two nieces and two nephews (and they have kids).

I would like to specifically exclude my father, as he had nothing to do with my upbringing and still owes my mother a large sum of money from not paying the court ordered child support.

Can this exclusion be done?

https://www.englishforum.ch/3163984-post7.html
and particularly the link therein, sets out the basics, with a nice pie-chart.

As you have a spouse, you can leave all your possessiont to him/her, and your father is not in the equation at all.

If your spouse dies before you, you will then be single, spouseless and childless. In that case, your father has a right to inherit a portion of your remaining estate. You can exclude him only with his express permission.

Thank you for that, do you know if that also exists in French?

Here in French:

https://www.vermoegenszentrum.ch/con...-heritage.html

No will:
If she/he dies you get 75% of the estate, the sister 25%
If you die she will get 75% of the estate, your mother and father each 12.5 %.

Will:
If she/he dies she must give you at least 37.5%, if not you could sue if you wish to do so (only possible after the testator is dead). Sister can be fully disinherited.

If you dies you must give her/him at least 37.5%, and each parent 6.25%, if not they could sue if they wish to do so (only possible after the testator is dead).

Disinheritance of the father. See from Art. 477 Civil Code onward https://www.admin.ch/opc/en/classifi...ndex.html#a477
"still owes my mother a large sum of money from not paying the court ordered child support." might be a valid reason for disinheritance.

If you have the default marriage property regime which is "Contribution to jointly acquired property"/"participation aux acquêts"/Errungenschaftsbeteiligung, the estate consists of the good of its own + half of the jointly acquired property.
https://www.ch.ch/en/matrimonial-regime/
Goods of its own are: what the partner had before marriage, all gifts, all inheritances, and all profits from the good of its own.

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https://www.ch.ch/en/succession-what-does-the-law-say/