Helene is very hospitable and good hostess. Flat is comfortable and has everything that let you feel that you at home.
Furniture and design of apartment made with very good taste. Two rooms for children full of toys, good location to reach all sightseeings by bus, metro and even by foot (we spent 20 minutes beautiful walk to reach Eifel Tower first evening). Very recommended. Next time in Paris we stay at Helen's place for sure.