“That he the said John Usher, his executors, administrators, and assigns, shall and will, at some time before the expiration of the first seven years of his present lease from the said Dean and Chapter, and likewise at or some time before the expiration of the first seven years of every future lease that shall be obtained by him or them of the said lands, or at some time sooner, make all proper application, and use all proper endeavours with the Dean and Chapter, or their successors, for the renewal of the several leases which shall be obtained from the said Dean and Chapter; and upon obtaining of every such renewal by the said John Usher, his executors, administrators, or assigns, he or they shall and will, from time to time, and at any time within six months after his or their giving notice of such renewal unto the said Jeoffry Davis, his executors, administrators, and assigns, renew and make a lease to the said Jeoffry Davis, his executors, administrators, and assigns, for the farther term of seven years, to be added to the term and continuance of the present lease, and of every future lease; he the said
“ And it is hereby declared to be the true intent and meaning of the said parties to these presents, that in case the said, &c. (sub-lessees,) their executors,