Grand Allies
The partnership of the Liddell, Wortley Montagu and Bowes families that dominated the Tyneside coal trade in the 18th century, controlling collieries and wagonways across north-west Durham; it took the lease of the Beckley, Andrews House and Byermoor coal from Sir Francis Clavering in 1726.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Andrews House Colliery | County Durham | 1726–? |
Record created: 22 September 2026 · Last researched: 22 September 2026