Serlo de Burci was a Norman of the eleventh century. After the Norman Conquest of England, he became a tenant-in-chief

Tenant-in-chief

In medieval and early modern European society the term tenant-in-chief, sometimes vassal-in-chief, denoted the nobles who held their lands as tenants directly from king or territorial prince to whom they did homage, as opposed to holding them from another nobleman or senior member of the clergy....

 and major landowner in south-west England. His estate centred on Blagdon

Blagdon

Blagdon is a village and civil parish in the ceremonial county of Somerset, within the unitary authority of North Somerset, in England. It is located in the Mendip Hills, a recognised Area of Outstanding Natural Beauty. According to the 2001 census it has a population of 1,172...

 in Somerset

Somerset

The ceremonial and non-metropolitan county of Somerset in South West England borders Bristol and Gloucestershire to the north, Wiltshire to the east, Dorset to the south-east, and Devon to the south-west. It is partly bounded to the north and west by the Bristol Channel and the estuary of the...

. He is recorded in the Domesday Survey of 1086.

He is thought to have originated in Burcy, Calvados

Burcy, Calvados

Burcy is a commune in the Calvados department in the Basse-Normandie region in northwestern France.-External links:*...

.

Family

His daughter and heiress Geva married twice, her second husband being William de Falaise. Robert FitzMartin was her son by a first marriage.