case LAMLEE versus HANMAN et ux poll may underhand agreement on marriage set  aside as fraudulent Ant can Lamlee the mother have a jointure in part and  pound per and devise to her by her husband and charge on the other part of the  premise in question on the marriage of Lamlee the son the mother join in the  settlement and accept S per and in lieu and the day before the settlement have  take a security from her son for pound per annum out of the leasehold estate  which be not comprise in the marriage settlement and the son covenant to pay  it the son die the plaintiff his widow take administration the defendant bring  a action of covenant against her for nonpayment of the pound per and the bill  be to be relieve against that action insist that the defendant be guilty of a  fraud in make this private agreement with her son to have pound per and over  and above the pound per and mention in the marriagesettlement and decree for  the plaintiff roll Abr title marriage the daughter promise to repay pound part  of the marriageportion of pound adjudge at law to be a fraudulent and void  Vernon chancery case promise and in the case of Peyton and Blaidwell pasch may  vol case where sir John Blaidwell have a kindness for Yelverton Peyton treat a  marriage for he with John Robert for his niece and a settlement agree for  pound portion he obtain a redemise of part of the estate settle for present  maintenance and a release of what Blaidwell have covenant to settle after his  death and both set aside in equity and also cite the case of Redman versus  Redman Dec ante vol p the widow of Redman relieve although privy and consent  to the fraud and give of the bind gale and Lindo ante Vol p light vide those  case and Powell on contract vol where most of the case on this subject be  state where the brother give a bind to make up his sister portion the sum that  be insist on but take a bind from her before marriage to repay the husband die  the wife survive and be relieve against the bind from which precedent it may  be collect that that which be the open and public treaty and agreement upon  marriage shall not be lessen or any way infringe by any private treaty or  agreement and decree a perpetual injunction of the action Vernon chancery case  er p Vernon chancery case de term S the number three in curian porter