No grant, deed of feoffment, deed or bargain and sale, deed of gift or other conveyance of any lands or tenements whatsoever made prior to August 20, 1731 shall be impeached or set aside in any court of law or equity for want of attornment or of livery and seizin or enrollment thereof or because such conveyance has been made by way of assignment or endorsement on such deed or grant without other ceremony, nor for any other defect in the form or in the manner of the execution of such deed or grant or of the endorsement or assignment thereof, either by the first grantor or in any of the mesne conveyances derived therefrom, if the right was or would have been in the person conveying if such defects had not happened in the form of such grants, deeds or conveyances or in the manner of the execution of them as aforesaid.