See https://en.wikipedia.org/wiki/Earl_of_Carhampton: Anston de Luterel (c. 1041-1102) arrived in England in 1066, with William the Conqueror's army at the Battle of Hastings, acquiring estates as reward for services to the Crown. The three main branches of the family were Luttrell of Irnham, Lincolnshire, (extinct c. 1418), Luttrell of East Quantockshead, Somerset and later Dunster Castle, Dunster, Somerset, and Luttrell of Luttrellstown Castle, County Dublin.
Biurke: The family of LUTTRELL, or LOTERELL, was established in England by one of the chiefs in the Norman Conquest, whose name is to be found in the Roll of Battel Abbey.
For de Luterel family tree see https://www.geni.com/people/Anston-De-Luttrell-Norman-Conquest/6000000006952053092