Questão jurídica principal
Whether the revocation of gifts was timely under the one-year period after knowledge of the revocation ground.
Decisão extraída
The appellate complaints did not show a proper challenge to the first-instance finding that the parents had known the relevant facts by the end of 2003; the one-year period had expired.
Fundamentação extraída
The federal court held that the appellants failed to demonstrate that the cantonal appellate court misapplied procedural requirements or acted arbitrarily in relying on the first-instance decision without taking further evidence.