the accompanying letter , lying sealed in the box with the stone , charged ned to determine whether one laoghaire mackenzie was living with a man in a state tantamount to marriage-and if so , further charged him to declare the contract between one laoghaire mackenzie and one james fraser to be fulfilled , whereupon the funds from the sale of the stone were to be placed on deposit in a bank , to be used for the dowry of one joan mackenzie fraser , daughter of the aforesaid laoghaire , when she should marry .