She was raised on the banks of the River Moselle where she practised water - skiing as a member of the Calmes family of waterskiers , becoming European junior champion .
Calmes was born in Luxembourg City on 30 July 1947 .
Calmes was raised on the banks of the River Moselle where Calmes practised water - skiing as a member of the Calmes family of waterskiers , becoming European junior champion .
Calmes was born in Luxembourg City on 30 July 1947 .