National Trust shines light on inner life of 18th-century ‘lady of the house’

Nostell trail tells story of Swiss-born Sabine Winn's isolation and unhappiness after move to mansion in West Yorkshire

In the painted portraits it is all serenity, happiness and domestic bliss. But behind the smiles of 18th-century lady of the house" Sabine Winn is a different story: one of isolation, loneliness and marital anguish.

The National Trust is to tell, for the first time, the story of Winn at the country house where she lived for 30 years and which brought her profound unhappiness - Nostell, a Palladian mansion near Wakefield in West Yorkshire.