"r in any business that they are throng in and all things in peace which I desire of them and at my wifes death the said nigger is to be equally divided betwixt George and William or if she marry the nigger to be divided when William comes to age as aforesaid and also when she marrys she has no further right nor interest but what is her own I revoke and deny all other testaments and wills but this" . . . .