In the House of Lords. William Simson, Esq. of Viewfield, - appellant. The Honourable Mrs. Henrietta Ann Ker, sister of the deceased Jane Marchioness of Lothian, Dugald Steuart, professor of moral philosophy in the University of Edinburgh, and John Pitcairn, merchant and stationer in Edinburgh, trustees appointed by the said deceased Jane Marchioness of Lothian, and John William Ker, Marquis of Lothian, respondents. The appellant's case.