Thomas Frederick, Esq; eldest son of Sir Thomas Frederick, Kt. deceased, and eldest grandson -- of Tho. Frederick, Esq; deceased, -- appellant. Sir John Frederick, Bart. executor of his late mother, and --- eldest son ----[] Tho. Powell, Esq; and Mary his wife, eldest daughter - - []ney Diggle, Esq; and Leonora his wife, second daughter - [] His Grace James Duke of Athol, and her Grace Jane Dutchess of Athol his wife, youngest daughter William Peer Williams & John Borrett, Esqs; surviving executors [] Frederick and Charles Frederick, younger sons of Sir Thomas, and - grandsons ---- [] and [] Mary Frederick, widow and executrix of the said Sir Thomas Frederick, deceased, ----- respondents. [electronic resource] : The appellant's case.