case arthur okeeffe Esq and isabella his wife plaintiff james Calthorpe Esq  defendant November that where child under a marriage settlement have obtain a  contingent advantage the court will not vary it to the prejudice of the issue  after marriage the plaintiff Isabel be possess of old and new south sea  annuity and bank stock and a marriage be intend between the plaintiff previous  thereto the plaintiff Isabel for secure the stock and dividend for her  separate use and disposal notwithstanding her coverture do by indenture with  the privity of the plaintiff Arthur transfer the stock to the defendant his  executor and administrator in trust that he his executor and administrator  shall pay or suffer plaintiff Isabel to receive the dividend and profit  thereof for her separate use during her life provide that if Isabel survive  Arthur then the defendant his executor or administrator shall transfer the  same to the plaintiff Isabel her executor or administrator or to such person  as she shall apart from her husband by deed or will appoint and for want of  appointment to the issue of her body and for want of such issue then as to one  moiety of such of the stock as shall be remain at the death of Isabel in trust  for the plaintiff Arthur his executor and administrator and as to the other  moiety in trust for the defendant and one John Burrell the brother of the half  blood of Isabel their executor and administrator the marriage take effect and  plaintiff Isabel by Arthur consent apply to the defendant to sell part of the  annuity and to pay the money to her and to assign the trust to some other  trustee declare to he it be not her intention that the same shall be  unalterable but only to preserve the same in her own disposal but the  defendant insist he can not safe sell the same or assign his trust without the  direction of the court of chancery the plaintiff therefore by their bill pray  that the defendant may assign his trust and that the stock and annuity may be  trans atkins er p ferred subject to such use as Isabel alone shall from time  to time direct and for want thereof subject to the trust in the settlement  atkins Lord chancellor where under amarriage settlement the child have obtain  a contingent advantage I will not vary it to the prejudice of the issue after  the marriage if I shall I may sit here only to alter marriage agreement upon  the particular whim of a feme covert therefore let the plaintiff Isabel make  the appointment and let the appointee take such interest as the law will give  he for I shall not lend he the assistance of this court to make such  appointment more effectual than it will be at law a person may as well bring a  bill in this court to change trustee to preserve contingent remainder if the  defendant have be mere a trustee for the lady there may be some ground for  this application though if I be inclinable to change the trustee I will not do  it unless it go first before the master to examine whether the person propose  be a proper person a new trustee be by the consent of all party add to the old  one his lordship decree the defendant to transfer the annuity in question in  such manner as to vest the same in himself and the new trustee subject to the  same trust as be in the say deed of agreement and decree that the plaintiff  bill shall be as to other matter dismiss Reg lib b fol