Question: Which writer, Miguel Delibes or Elizabeth Chadwick, is a member of Regia Anglorum, a Medieval reenactment organisation?

Context paragraphs:
Elizabeth Chadwick: Elizabeth Chadwick is an author of historical fictions.  She is a member of Regia Anglorum, a Medieval reenactment organisation.

Regia Anglorum: Regia Anglorum (A term used by early writers in Latin texts, meaning Kingdoms of the English [people]) is a Medieval reenactment organisation reenacting the life and times of the peoples who lived in and around the Islands of Britain from the time of Alfred the Great to Richard the Lionheart.  Its members portray Anglo-Saxon, Viking, Norman and British living history from the period 950-1066.  The society has gained in popularity as a result of being featured in television programmes such as "Michael Wood on Beowulf" (BBC Four, 2009).

Miguel Delibes: Miguel Delibes Setién (] ; 17 October 1920 – 12 March 2010) was a Spanish novelist, journalist and newspaper editor associated with the Generation of '36 movement.  From 1975 until his death, he was a member of the Royal Spanish Academy, where he occupied chair "e".  He studied commerce and law and began his career as a columnist and later journalist at the "El Norte de Castilla".  He would later head this newspaper before gradually devoting himself exclusively to the novel.

Dark Ages reenactment: Dark Ages reenactment is generally considered a sub-branch of Medieval reenactment focussing on the 1st millennium AD beginning with the fall of the Western Roman Empire and ending with the High Middle Ages.

Medieval reenactment: Medieval reenactment is a form of historical reenactment that focuses on re-enacting European history in the period from the fall of Rome to about the end of the 15th century.  The second half of this period is often called the Middle Ages.  This multiplicity of terms is compounded by the variety of other terms used for the period.

La sombra del ciprés es alargada: La sombra del ciprés es alargada ("The Shadow of the Cypress is Long") is a 1990 Mexican film directed by Luis Alcoriza.  It is based on the book of the same name, written by Miguel Delibes.

Renaissance reenactment: Renaissance reenactment is historical reenactment of events of the Renaissance period and the European Age of Exploration.  In its broadest use, it encompasses reenactment of periods from 1400 through the mid-18th century.  Reenactments of earlier events are commonly termed medieval reenactment, while more recent events are modern reenactment.  Events and periods within Renaissance reenactment vary by region and nation, but include the English Civil War in the United Kingdom, the Eighty Years' War in the Low Countries (particularly the Netherlands), L'Escalade in Switzerland, the Polish–Lithuanian Commonwealth in eastern Europe, and the early colonial period in the United States and Canada.

Vikings! Of Middle England: Vikings of Middle England (also known as Tÿrslið) is a UK (Leicester) based, non-commercial, non-political organisation founded in 1991 with the aim of reenacting, with live steel combat (including special effects) and living history, the 'Dark Age' period between 793 AD and 1100 AD.  The organisation once owned a scale replica Longship called Ratatosk, but it was sold to a member society of Regia Anglorum who are based nearer the coast so she could be sailed more often.  Tÿrslið's aim is to entertain and educate an audience using a mix of drama, historical context, demonstration and audience participation.

Frances M. López-Morillas: Frances López-Morillas, née Frances Elinor Mapes (September 3, 1918 – ) is a leading translator of Spanish literature into English.  She was married to the noted Hispanic scholar Juan López-Morillas from 1937 till the latter's death in 1997.  She is the translator of numerous Spanish classics, including works by Pérez Galdós, Camilo José Cela, Miguel Delibes, and Jorge Luis Borges.

The Holy Innocents (Delibes novel): The Holy Innocents (1981) is a novel by Miguel Delibes about the everyday life on a farm in Extremadura.

Supporting paragraphs: Miguel Delibes Elizabeth Chadwick
Answer: Elizabeth Chadwick