Gwendoline Brassey (died 1947) (d. 1947) Parents Anna Harriet Stevenson Henry Brassey Children John Charles Blencowe Cookson Peter Henry Cookson Siblings Florence Maud Brassey Hilda Gordon-Lennox, Duchess of Richmond Evelyn Mildred Brassey Edgar Hugh Brassey Edwin Perceval Brassey Ruby Mabelle Brassey Beatrice Mary Brassey Arthur Albert Brassey Ethel Anna Maria Brassey Harold Ernest Brassey Henry Brassey, 1st Baron Brassey of Apethorpe Partners Philip Blencowe Cookson