c Fothergill v Fothergill S c Eq can ab Lord keeper master of the roll  defective execution of power supply ante case Abr Fothergill have a estate in  Yorkshire and Durham settle his estate to the use of his son Thomas for life  with remainder over with a power for Thomas to limit any part of the estate  not exceed pound per and for a jointure for any wife he shall marry the land  in Durham be pound per and and charge with pound per and to the widow of Abr f  for her life he limit the pound per and out of this estate which be charge  with the pound per and be not sufficient in value and covenant in the deed  that in case the value shall be defective that it shall be make up out of his  other estate and the estate be defective the widow bring her bill to have it  supply out of the Yorkshire estate and it be decree that it shall so be the  question with all its principle be full discuss in the great case of Coventry  v Coventry best report at the close of Francis maxim of equity and it be hold  by the Lord keeper and master of the roll that whenever a conveyance be make  upon a good consideration if there be any defect in the execution of it that  this court have always supply the defect as in case of a feoff to supply the  defect of livery Jackson v Jackson Sel can in Charles in devise of a copyhold  to supply the defect of a surrender see now Geo c and much more in case of a  power Gooday v butcher Ves as where any circumstance but the intention to  execute must appear a court of equity will supply defect in the execution of a  power but can relieve against nonexecution Holmes v Coghill Ves Shannon v  Bradstreet Sch and Lef be omit in the execution of it and one reason give be  because the circumstance be impose only that the party may not be surprise in  the execution of it freeman and it be further hold that payment of debt  provision for a wife and child marriage or purchase be consideration for which  this court have supply such defect Harvey v Harvey atk and case cite in Mr  sander note there Reg lib a fol decree that the defendant the young son shall  be admit to the copyhold and that the widow shall be pay pound per annum to  make up her jointure a full and clear pound per annum subject only to a  deduction for parliamentary tax and though provision for wife or child after  marriage be not valuable consideration yet they be good consideration and be  always help in this court and therefore where a devise of a copyhold be make  to a young son without a surrender he be always relieve against the heir at  law although it be object that the heir at law be as near relate as his  brother and have the law of his side this court ought not to interpose but the  contrary have be always hold and so the plaintiff here be relieve the husband  have covenant that in case these land be not sufficient it shall be make up  out of the other estate which he have a power of although he be only tenant  for life of they