William d'Aubigny was the name of a number of Norman/English aristocrats, of two different and unrelated families. The surname derives from Aubigny in France.

The two families are distinguished by the appellation of either Pincerna or Brito.

The "Brito" family

This family held the honor of Belvoir. Honour (or honor) comprises the reputation, self-perception or moral identity of an individual or of a group. ... Belvoir (pronounced beaver) could refer to: Belvoir, a commune in the Doubs department of France Belvoir, a village in Melton, Leicestershire, England Vale of Belvoir Belvoir Hunt HMS Belvoir Belvoir Castle, a castle in Leicestershire Belvoir Castle, a Crusader castle in Israel This is a disambiguation page — a navigational aid...

William d'Aubigny "Brito" (d. 1155/6) was an itinerant justice under Henry I. He fought at the Battle of Tinchebray. He acquired the honor of Belvoir, which became the center of the family estates, as marriage portion from his wife, Cecily, daughter of Roger Bigod. Henry I (c. ... The battle of Tinchebray (or Tinchebrai) was fought September 28, 1106, in the town of Tinchebray, Normandy, between an invading force led by Henry I of England, and his older brother Robert Curthose, the Duke of Normandy. ... Roger Bigod (d. ...

William d'Aubigny "Meschin" (d. 1167/8) (son of the above)

William d'Aubigny (d.1236) (son of the above) was prominent during the baronial rebellions against king John. He stayed neutral at first, only joining the rebels after the early success in taking London in 1215. He was one of the 25 guaranteors of the Magna Carta. In the war that followed the signing of the charter, he held Rochester for the barons, and was imprisoned (and nearly hanged) after John captured the castle. He became a loyalist on the accession of Henry III, and was a commander at the Battle of Lincoln in 1217. John (French: Jean) (December 24, 1166–October 18/19, 1216) reigned as King of England from April 6, 1199, until his death. ... Magna Carta placed certain checks on the absolute power of the English Monarchs. ... Rochester is a small, historic town in Kent, at the lowest bridging point of the River Medway about 30 miles (50 km) from London. ... Henry III (October 1, 1207 – November 16, 1272) is one of the least-known British monarchs, considering the great length of his reign. ...

The "Pincerna" family

William d'Aubigny "Pincerna", married Maud, daughter of Roger Bigod. Roger Bigod (d. ...

William d'Aubigny "Pincerna", 1st Earl of Arundel (d. October 12, 1176) (son of the above) was an important member of Henry I's household. After Henry's death he married the king's widow Adeliza, and became lord of Arundel in her right. He was loyal to Stephen, who made him Earl of Arundel (or more technically, of Sussex). In 1165 he helped arrange the truce between Stephen and Henry Plantagenet. When the latter ascended the throne as Henry II, he confirmed William's earldom and gave him direct possession of Arundel Castle (instead of the possession in right of his wife he had previously had). He remained loyal to the king during the 1173 revolt of Henry the Young King, and helped defeat the rebellion. Henry I (c. ... Adeliza of Louvain (1103-1151) was queen consort of England from 1121 to 1135, the second wife of King Henry I of England. ... Arundel is a town in the South Downs of West Sussex in the south of England. ... Stephen (1096 – October 25, 1154), the last Norman King of England, reigned from 1135 to 1154, when he was succeeded by his cousin Henry II, the first of the Angevin or Plantagenet Kings. ... Sussex as a traditional county. ... Henry II of England, depicted in Cassells History of England, Century Edition, published circa 1902 Henry II (March 5, 1133 – July 6, 1189), ruled as Count of Anjou, Duke of Normandy, and as King of England (1154–1189) and, at various times, controlled parts of Wales, Scotland, eastern Ireland... Henry, the Young King Henry the Young King (February 28, 1155–June 11, 1183) was the second of five sons of Henry II of England and Eleanor of Aquitaine. ...

William d'Aubigny, 2nd Earl of Arundel (d. 1196) (son of the above)

William d'Aubigny, 3rd Earl of Arundel (d. 1221) was a favorite of king John. He was one of the 25 guarantors of the Magna Carta. He took part in the Fifth Crusade, and died in Italy on his journey home. Magna Carta placed certain checks on the absolute power of the English Monarchs. ... The Fifth Crusade (1217–1221) was an attempt to take back Jerusalem by first conquering the powerful Muslim state in Egypt. ...