- PQG.
- Sub-sub-sub-fonds
- 1698-1951.
The group contains pedigrees in handwritten and printed forms, extracts from original and published sources, notes and correspondence on the genealogy of Ormsby-Gore and the families from whom they were descended, such as Gore and Gorges, 1794-[c. 1906], Owen of Brogyntyn, Wynn of Glyn, and other families who were related to them by marriage or who were relevant to the history of the estate, 1698-1951.