case darcy versus hall where a mortgagee buy in a encumbrance he shall be  allow all that be due on it though he buy it in for less otherwise if a heir  or trustee buy in a encumbrance where a heir or trustee buy in a encumbrance  he shall be allow no more than what he real pay for it brathwaite v brathwaite  post long v Clopton post and case cite in note there unless he buy it to  protect a encumbrance to which he himself be entitle but where a stranger that  have a encumbrance upon a estate buy in another security to protect his own he  shall not only hold it till he be satisfy he own debt and have reimburse  himself the money pay for the encumbrance he buy in but even till he have  receive all the money and arrear of interest due on the security he so buy in  and in this case though it be a heir that buy in a encumbrance there be some  special circumstance in the case he be allow on account the whole money due on  the encumbrance he buy in though he pay less for it the circumstance to be  collect from the register book be as follow sander under who the defendant  claim be indebt to one Roger in pound agree in consideration thereof to grant  to he a annuity of pound for year from July and enter into a statute to secure  the same and the annuity be by deed charge on certain land therein mention it  appear that sander pay the annuity till Michaelmas and that half ayear be due  on ladyday Roger enter but sander be relieve on bill file and payment of the  arrear and continue to pay the annuity till his death in after his death Roger  enter and receive the profit and cut down wood more than sufficient to pay the  pound and interest in one lady Brett claim a estate for life in the premise  and bring ejectment against Roger they come to a agreement whereby the say  Roger agree to pay her pound cost and pound per annum during her life and that  the overplus of the rend above the pound per annum and the pound and interest  shall go in satisfaction of the annuity of pound by which agreement and a  extent therein mention the bill allege that the say here the name be leave out  have receive sufficient to satisfy the say pound and interest and also the say  annuity of pound per annum for the year and afterward in convey the premise as  therein mention with the defendant privity but certain dispute arise between  the party a agreement be enter into among they by which it be agree on all  hand that the statute be satisfy out of the arrear in the tenant hand and then  state that certain person who the plaintiff represent have become bind for the  say sander in his life time and become creditor of he for several sum of money  lend to he by they he by deed in mortgage to c the manor of Sysam part of the  premise in question for secure the repayment thereof in which deed and also in  another execute by sander soon afterward a proviso be contain that if sander  do not pay certain debt and indemnify they who be so bind for he on the day  and as therein mention then that they the mortgagee may sell the premise and  out of the money to arise by sale and the intermediate profit to retain all  such sum of money as they shall disburse or lie out in free the premise from  any charge touch the say debt and premise with interest and out of the residue  of the money pay certain scheduled debt and it be agree that sander and his  heir shall upon request join in sale of the premise and that the surplus of  the land or money shall be convey pay to sander or as he shall appoint the  bill then state that the mother of sander die in and that Roger thereupon  extend Sysam and receive the profit thereof be pound per annum by which the  say statute be over aid the plaintiff then claim to be entitle to Sysam or to  be pay or indemnified thereout as therein mention but that the defendant have  get possession and claim to be entitle thereto as heir of the say sander and  then the bill pray a account and that satisfaction may be enter upon the say  statute or that the same may be assign for the benefit of plaintiff the answer  admit the fact up to the agreement with lady Brett but it deny that by that  agreement the overplus above the pound per annum shall go towards satisfaction  of the pound per annum and that as to the other matter in the bill they ought  not to be further question it then state that Roger by direction of defendant  convey all his right to the extent on Sysam in trust for defendant under which  assignment they make title to Sysam land extend until they shall be pay the  arrear of the annuity of pound which shall be find due and be Willing to  account it be then insist on the part of the plaintiff that the defendant be  heir or claim under the heir of sander the cognizor of the say statute and  have no encumbrance on the say estate and buy in the say statute for little or  nothing they ought to be allow no more than what they pay for the purchase  thereof to Roqers this be the whole of the material part of the statement of  the case in the register book the decree be as follow whereupon c this court  do order that the say party proceed to a account before the master who be to  see what be due to the defendant in relation to the say annuity of pound grant  to the say Roger and interest for the same from the respective time the same  ought to have be pay apply towards satisfaction thereof what the say Roger or  any under he or to the use of he or those claim under he have or without their  wilful default may have receive out of Chillington part of the premise in the  plead mention before and also out of Sysam and what the master shall certify  due to the defendant thereon the plaintiff be to pay together with the cost at  law which the say Roger or the defendant have expend in the defence of the  title or otherwise by reason of the say security and that thereupon the  defendant shall vacate the say statute or assign over to the plaintiff or as  he shall direct the say security and extend premise in Sysam Reg lib a fol l  Vernon chancery case er p