This was my attempt at using your expression:
SELECT tblFamilies.FamilyID, tblFamilies.MainChild, tblFamilies.AllocationDate, tblFamilies.AllocatedWorker, tblFamilies.Status, tblFamilies.ClosureDate, tblFamilies.ClosureReason, tblFamilies.OtherDetails
FROM tblFamilies
WHERE [Start of...