The impaled arms over the front door of the house are for Hamilton and Russell for James Hamilton, 1st Duke of Abercorn and his wife Lady Louisa Russell.
The Hamilton Arms at Lisadell Church, Co Armagh
The arms of Russell
The other arms dated 1890 are the arms of Hamilton with an escutcheon of pretence containing three fleur de lis. These latter arms represent France. The Marquess of Abercorn (who became duke in 1868) assumed an inescutcheon bearing France and crowned with a French ducal crown on his arms.
For the full details of the Title of Duke of Châtellerault and the Hamilton-Abercorn Controversysee: