German family looking for friendly and reliable helper

Me and my two twin girls (age 8), have just moved from Germany to Hong Kong and are looking for a friendly, reliable helper. We live in mid-levels and can offer a seperate maid's room with small bathroom. We are looking for someone to be our helping angel in the household (cooking, cleaning, laundry) and to take care of the kids, when they come from school until I return from work. If you are a well-organized, reliable person, who has a friendly and optimistic attitude, we would be glad to hear from you.