The daughter on her side undertook that the guests should be treated with feminine courtesy. This might be called the most-favoured-nation clause. The Melmottes were to be treated exactly as though old Melmotte had been a gentleman and Madame Melmotte a lady. 
The daughter undertook that the guests should be treated with courtesy, exactly as though old Melmotte had been a gentleman and Madame Melmotte a lady. 