Nanny & Au Pair Job - Retreat, WC, 7965

I'm a mom who works from home, and reside in retreat. I have twin boys aged 18 months and I'm looking for assistance from a day mother to help look after my boys at my house while I am working. Duties would include:
preparing bottles
watch over them and keep them entertained during the day
preparing lunch and supper
feeding them
changing diapers
bathing them
only light housework is to clean up play area while baby is asleep. Kindly note: my mom helps out and will continue to do so as there are 2 of them. Preferably looking for a good christian coloured lady or someone who is very familiar with coloured culture.