English Au Pair

I need an Au Pair for one or two evenings in the week  from 17,30 until 19,00
I have 3 children: A 7 yeras old girl, a 6 yeras old girl and a 3 years old boy. It is basicly for the 2 old one.
I live in Madrid, 15 minutes from Moncloa.
Thanks. 
Contact me by mail: iciar.pulido@aexp.com