Cyfyngwch eich canlyniadau yn ôl:
- Pob un
- Ormsby-Gore family, Barons Harlech., 1 canlyniadau
- Roche family Tremadog, Caernarfonshire, 1 canlyniadau
- Burchinshaw family, of Llansannan, 1 canlyniadau
- Festiniog Railway Company., 1 canlyniadau
- Greaves, John Whitehead, and Sons., 1 canlyniadau
- Rhosydd Slate Quarry., 1 canlyniadau
- Greaves, R. M. (Richard Methuen), 1852-1942., 1 canlyniadau
- Williams, David, shipbuilder., 1 canlyniadau
- Pob un
- Tremadoc Estate (Wales), 2 canlyniadau
- Llansannan (Wales), 1 canlyniadau
- Tremadog (Wales), 1 canlyniadau
- Deeds -- Wales -- Llansannan., 1 canlyniadau
- Deeds -- Wales -- Tremadog., 1 canlyniadau
- Ships -- Wales -- Porthmadog., 1 canlyniadau
- General stores -- Wales -- Porthmadog., 1 canlyniadau
- Hardware -- Wales -- Porthmadog., 1 canlyniadau
- Ship chandlers -- Wales -- Porthmadog., 1 canlyniadau
