"...definition of a nuptial settlement. ...offers a helpful starting point: a trust that makes “some form of continuing provision for the parties…” is a broad definition that should “embrace all settlements in respect of the particular marriage, whether made before or after the marriage.” The motive and identity of the settlor are irrelevant".
...
Section 24(1)(c) of the Matrimonial Causes Act 1973 states that the court may make “an order varying for the benefit of the parties to the marriage and of the children of the family or either or any of them any ante-nuptial or post-nuptial settlement…made on the parties to the marriage.” Thus the court has the power directly to vary a trust that is found to be a nuptial settlement".

https://vardags.com/family-law/nuptial-settlements/


"While not yet tested by the courts, also consider a positive statement that the trust is not a nuptial settlement".
https://mattersoftrust.co.nz/2017/01/15/what-makes-a-settlem...

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Ante-nuptial settlement
— акт распоряжения имуществом на случай заключения брака.
https://www.multitran.ru/c/m.exe?t=869950_1_2

Post-nuptial settlement
— послебрачный имущественный договор.
https://www.multitran.ru/c/m.exe?t=894265_1_2


Post-nuptial agreement
— договор между мужем и женой, заключённый после бракосочетания.
https://www.multitran.ru/c/m.exe?t=894263_1_2

Marriage settlement
— акт учреждения семейного имущества;
— акт распоряжения имуществом по случаю заключения брака.
https://www.multitran.ru/c/m.exe?t=1015232_1_2