Lionel of Antwerp, Duke of Clarence,, was an English prince, Earl of Ulster jure uxoris from 1347, Duke of Clarence from 1362, Guardian of England in 1345–46, Lord Lieutenant of Ireland in 1361–66, Knight of the Garter from 1361, second surviving son of King Edward III of England and Philippa of Hainault. He was named after his birthplace, at Antwerp in the Duchy of Brabant.
Philippa of Clarence also known as Philippa Plantagenet or Philippa de Burgh was a medieval English princess and the suo jure Countess of Ulster.
The title of Earl of Ulster has been created six times in the Peerage of Ireland and twice in the Peerage of the United Kingdom. Since 1928, the title has been held by the Duke of Gloucester and is used as a courtesy title by the Duke's eldest son, currently Alexander Windsor, Earl of Ulster. The wife of the Earl of Ulster is known as the Countess of Ulster. Ulster, one of the four traditional provinces of Ireland, consists of nine counties: six of these make up Northern Ireland; the remainder are in the Republic of Ireland.
The House of Burgh or Burke was an ancient Anglo-Norman and later Hiberno-Norman aristocratic dynasty which played a prominent role in the Norman invasion of Ireland, held the earldoms of Kent, Ulster, Clanricarde, and Mayo at various times, and provided queens consort of Scotland and Thomond and Kings of England via a matrilineal line.
Richard Mór de Burgh, 1st Lord of Connacht, was an Anglo-Norman aristocrat who was Seneschal of Munster and Justiciar of Ireland (1228–32).
Walter de Burgh, 1st Earl of Ulster, 2nd Lord of Connaught also spelt Burke or Bourke, was an Irish peer from the House of Burgh.
Sir William Óg de Burgh was an Anglo-Irish noble and soldier who was the ancestor of the Earls of Clanricarde and the Mac William Iochtar.
William de Burgh, 3rd Earl of Ulster and 4th Baron of Connaught was an Irish noble who was Lieutenant of Ireland (1331) and whose murder, aged 20, led to the Burke Civil War.
The Burke/de Burgh Civil War was a conflict in Ireland from 1333 to 1338 between three leading members of the de Burgh (Burke/Bourke) Anglo-Norman family resulting in the division into three clans.
Sir Uilleag (Ulick) de Burgh (Burke), 1st Clanricarde or Mac William Uachtar was an Irish chieftain and noble who was leader of one of the three factions who fought the Burke Civil War in the 1330s. By the end of the conflict he had established himself and his descendants as Clanricarde, also known as Mac William Uachtar, independent lords of Galway. He was succeeded by his son, Richard Óg Burke, 2nd Clanricarde (d.1387).
Clanricarde, also known as Mac William Uachtar or the Galway Burkes, were a fully Gaelicised branch of the Hiberno-Norman House of Burgh who were important landowners in Ireland from the 13th to the 20th centuries.
John de Burgh was an Irish noble who was the son of Richard Óg de Burgh, 2nd Earl of Ulster and his mother was, Margarite.
Lord of Connaught was a title used by several Norman barons in Ireland. Granted to William de Burgh, the lordship was claimed by his son, Richard Mor de Burgh, and his descendants.
Joan of Lancaster sometimes called Joan Plantagenet after her dynasty's name, was the third daughter of Henry, 3rd Earl of Lancaster and Maud Chaworth.
Maud of Lancaster, Countess of Ulster was an English noblewoman and the wife of William Donn de Burgh, 3rd Earl of Ulster. She was the mother of Elizabeth de Burgh, suo jure Countess of Ulster. Her second husband was Sir Ralph de Ufford, Justiciar of Ireland. Their daughter was Maud de Ufford, Countess of Oxford. After Ufford's death, Maud became a canoness at an Augustinian nunnery, Campsey Priory, in Suffolk.
Maud de Ufford, Countess of Oxford was a wealthy English noblewoman and the wife of Thomas de Vere, 8th Earl of Oxford. Her only child was Robert de Vere, 9th Earl of Oxford, the favourite of King Richard II of England. In 1404 in Essex, she took part in a conspiracy against King Henry IV of England and was sent to the Tower of London; however, she was eventually pardoned through the efforts of Queen consort Joanna of Navarre.
Mac William Íochtar, also known as the Mayo Burkes, were a fully Gaelicised branch of the Hiberno-Norman House of Burgh in Ireland. Mayo covered much of the northern part of the province of Connacht and the Mac William Íochtar functioned as a regional king and received the White Rod. The title was a successor office to the Lord of Connacht which ended upon the assassination of William Donn de Burgh, 3rd Earl of Ulster, in June 1333.
Richard Óg de Burgh, 2nd Earl of Ulster and 3rd Baron of Connaught, called The Red Earl, was one of the most powerful Irish nobles of the late 13th and early 14th centuries and father of Elizabeth, wife of King Robert the Bruce of Scotland.
Hugh de Burgh was an Irish lawyer, Crown official and judge who held the offices of Lord Treasurer of Ireland and Chief Baron of the Irish Exchequer, and was praised for his good service to the English Crown and pardoned of accusations of maladministration.
The Abbey of Bruisyard was a house of Minoresses at Bruisyard in Suffolk. It was founded from Campsey Priory in Suffolk on the initiative of Maud of Lancaster, Countess of Ulster, assisted by her son-in-law Lionel of Antwerp, in 1364–1366.
