Davies, busca niñera en Begur

I am going to be in Begur with my family (newborn baby, 2 year old, 4 year old and a 7 year old) from early August until the end of September. I'll be looking after the youngest one and will be around to help with the other kids but I'd like them to learn some Spanish and our oldest to do some schoolwork. I'm thinking 2.5 hours per day 4 days a week from lunchtime til early afternoon. Preferably weekdays, flexible on which ones