Singaporean Chinese family looking for helper

Hi, we are a family of four (2 working adults, 9 year old boy and 7 year old girl). We live in a 3 storey house and looking for a live in helper who can help to clean the house, laundry/iron clothes, prepare meals, fetch the kids for enrichment classes, wash car, gardening. We can speak English and Mandarin and we prefer someone who can speak some Mandarin.nbsp;