case Hammond vers hill when one person covenant with another that he shall  have land discharge of all rend the covenantee ought to be discharge from a  quitrent vin Abr title covenant z pl p Com dig title covenant e vol p this be  a action of debt upon a bind where the condition be that the defendant shall  keep harmless the plaintiff from all jointure dower annuity dam age claim and  all other encumbrance and shall perform the covenant in the indenture date the  d of may whereby the defendant convey to the plaintiff and his heir a message  and land call little Brinsby in the county of Sussex and by the same deed the  defendant covenant that the plaintiff shall have use possess and enjoy the  premise aforesaid quiet and peaceable without any impediment from the  defendant his heir or assign or any other person and that clear acquit and  exonerate of and from all former and other grant c rend rentcharge arrear of  comens rend statute c charge and encumbrance whatsoever the plaintiff assign  for breach that the tenement aforesaid be charge and Chargeable with one  annual rend videlicet a rend of S d to be pay to the lord of the manor of W in  the say county of who the say tenement then and before be and be hold under  the say rend and other service the defendant b his rejoinder say that the rend  of S d aforesaid be Payable to the lord of that manor as a quitrent incident  to the tenure of those land and that the plaintiff be not molest c for any  arrear of that rend Payable before the make of the indenture aforesaid the  plaintiff maintain his replication and the defendant his rejoinder and upon  this there be a demurrer and the question be if this covenant be break and it  be resolve by the whole court without any difficulty that it be for the  defendant have express covenant with the plaintiff upon his purchase that he  shall have the land discharge of all rend and therefore they ought to be  discharge of this rend as well as of all other for a quitrent be a rend  judgement be give for the plaintiff