Then you presumed wrong.
He saw a gentleman whom he presumed to be the director, and told him about Helen.
Thomas O'Malley, presumed to be her father, died fifteen years ago.
The prologue may not be historical; but it is to be presumed that it deals with historical possibilities, and is good evidence thus far.
A landlord is not presumed to have undertaken to put the premises in repair, nor to execute repairs.