Noblesse oblige - A Thai novel

Noble Wimon is twenty-one, beautiful, rich, independent-minded and a little conceited, but loved by all and living a charmed life. When disaster strikes,  she must take care  of her numerous siblings almost single-handedly.  Will she prove to be up to it  as a person of quality  endowed with moral rectitude? Noblesse oblige. This 1937 novel of manners  is foremost in the Thai literary canon.