 Preston refused to take part, but came in after it was begun and sat by as a hearer.A second conference followed in the same month, at which Preston took the lead against Montagu and White.When Preston realised that the York House Conference was not likely to favour Puritanism, he encouraged a group of Puritan lawyers, merchants, and clergymen (including Richard Sibbes and John Davenport) to establish an organization known as the Feoffees for the Purchase of Impropriations.