Tracing the rise and decline of a leading coal-owning family from their origins as Worcester timber merchants who moved to the new docks at Cardiff, through their acquisition of collieries in the Rhondda and involvement with the Taff Vale and other railways. Commercial success enabled the family to buy the Insole Court estate at Llandaff and another in Somerset. After the First World War, the family's fortunes stumbled with those of the South Wales coal industry generally, their businesses became part of the Powell Duffryn Combine, and their estates were sold.