They declared they only had their modest state pension to live on - but they actually had more than a million francs saved up.
The bank accounts were discovered during a tax audit.
They have to pay nearly CHF 4,000 each in fines and costs and given a CHF 14,000 suspended fine.
They also have to pay back all the misclaimed cash.
Illegal toilet blamed for lake pollution
Two women die in avalanche in Haute-Savoie
Train use higher
Another horse euthanized in St Moritz
Wolf swims across Lake Lucerne
Swiss firms prepare legal action against the US
