Facts
[A.] and [B.] are the married parents of four children. In the context of marital protection proceedings, the maintenance between the parties was regulated. [A.] filed an appeal against the decision of the Cantonal Court of Valais, which set the maintenance. The Federal Court partially overturns the lower court's decision and remands the case to the lower court for a recalculation of the maintenance for the appellant and her minor children. This is due to two deficiencies in the maintenance calculation: 1. The Cantonal Court has set the income of the appellant that can be taken into account from May 2020 too high by CHF 566.-, which leads to a reduction of the maintenance contributions for the sons. 2. The Cantonal Court has wrongly allocated a share of the surplus to the adult daughters, although their maintenance was not the subject of the proceedings. The surplus is to be distributed solely to the parents and minor children. In all other respects, the Federal Court dismisses the appeal.Considerations
The Federal Court examines the appeal under the strict principle of prohibition of arbitrariness. It finds that the lower court has decided arbitrarily in two points: 1. In the calculation of the income of the appellant from May 2020, an amount of CHF 566.- was wrongly taken into account twice. This leads to a reduction of the maintenance contributions for the sons. 2. The lower court has wrongly allocated a share of the surplus to the adult daughters,…