Chinese family looking for a second transfer helper

Start date: October


Chinese family, new in Singapore, here for children's education.
family consists of father, Grandmother and 4 children - 10. 9, 5 and 4 year old twins

they currently have a Chinese helper for cooking
one Indonesian helper to care for 4 year old child

they are looking for one more helper to care their other 4 year child and assist in cleaning. 
needs to share room with 4 year child and helper requires to work 2 Sundays. 
good English or Chinese is preferred.