looking for a living out English speaking aupair in Madrid.

We are a family with three children (3,6 and 8 years) living in Madrid center. We are looking for a living out English speaking aupair.  17:30-19:30 Monday and wensday. 16:30 to 19:30 thuesday. 
No housekeeping will be needed. 
Please contact me and tell me if you are interested. 
Yours,