This question is based on Literary Principles.
'Otto's wife was a potter. Nessa remembered Sandra Davis telling her this. Not just a wife, not just a mother - as Nessa's own mother had been, as all the women in her childhood were and were expected to be; cooks and floor scrubbers, fanatical table polishers and chairback starchers, nest builders.
Georgina Hammick, 'Habits'
In the passage above, it can be inferred that Otto's wife