Looking for childcare for family with newborn twins and toddler

Hi, I am looking for a nanny/babysitter who could help our family for about 30hrs a week (flexible with amount of hours and when). We have newborn twins and a son who will turn 3 in March. Looking for someone who can take our son to his activities and can also help watch our twins when not with our son. Any leads appreciated! Thank you, Lizzie