six that he never knoweth nor hath credibly heard that there have been any alteration change or variation in any copy or copies in the court rolls of the said manors or either or them or any presentments or surrenders or of admittances of any tenant or tenants to any lands or tenements holden of the said manors or of either of them in any manner or sort from the truth of such presentments surrenders or admittances neither hath he known any false copies or entries made or written in the court rolls of the said manor or either of them or of any surrenders presentments or admittances as is supposed