In the House of Lords. Elizabeth, Margaret, and Harriot Graham, the Infant Children of William Graham Younger, of Gartmore, Esq; deceased, by Margaret his Wife, only Daughter of Dr. William Porterfield, and their Guardians, Appellants. Margaret Graham, Mother of the said Elizabeth, Margaret, and Harriot Graham, and Alexander Greig, her Trustee, - - Respondents. The Appellants case.