Facts

[A.A.] (appellant) and [B.A.] (respondent) are married and parents of [C.A.] and [D.A.] . By a protective measure decision dated 14/27 June 2018, the parties' separation was established and the children were placed under the sole custody of the mother. The appellant was ordered to pay child support.

The appellant unsuccessfully appealed this decision to the High Court of the Canton of Thurgau. The Federal Court remanded the case to the High Court for a hearing of [D.A.] and a new decision. Subsequently, the appellant limited his claims to the annulment of the first instance decision on the maintenance issue and the reassessment of the maintenance contributions. The High Court considered the appeal unfounded and confirmed the decision of the District Court.

Considerations

The Federal Court partially annuls the decision of the High Court and remands the case to the High Court for a recalculation of the respondent's income and the children's maintenance claims, as well as for a reassessment of the cash maintenance for the elder daughter [C.A.] .

The Federal Court considers it arbitrary that the High Court imposed the entire cash maintenance…