Richard. William de Burgh had three sons and at least one daughter: Richard Mór de Burgh, 1st Lord of Connaught Hubert de Burgh, Bishop of Limerick. William de Burgh (the younger), Sheriff of Connacht Genealogy References (Genealogy) A New History of Ireland, volume IX, Oxford, 1984; Earls of Ulster and Lords of Connacht, 1205–1460 (De Burgh, De Lacy and Mortimer), p. 170; Mac William Burkes: Mac William Iochtar (de Burgh), Lords of Lower Connacht and Viscounts of Mayo, 1332–1649, p. 171; Burke of Clanricard: Mac William Uachtar (de Burgh), Lords of Upper Connacht and Earls of Clanricard, 1332–1722. The Tribes and customs of Hy-Many, John O'Donovan, 1843 The History of Mayo, Hubert T. Knox. 1908. The Surnames of Ireland, Edward MacLysaght, Dublin, 1978. Lower Mac William and Viscounts of Mayo, 1332–1649, in A New History of Ireland IX, pp.235-36, Oxford, 1984 (reprinted 2002). The Anglo-Normans in Co. Galway: the process of colonization, Patrick Holland, Journal of the Galway Archaeological and Historical Society, vol. 41, (1987–88) Burke:People and Places, Eamonn de Burca, Dublin, 1995. The Anglo-Norman landscape in County Galway; land-holdings, castles and settlements, Patrick Holland, J.G.A.& H.S., vol. 49 (1997) Annals of Ulster at CELT: Corpus of Electronic Texts at University College Cork Annals of Tigernach at CELT: Corpus of Electronic Texts at University College Cork Revised edition of McCarthy's synchronisms at Trinity College Dublin. See also House of Burgh, an Anglo-Norman and Hiberno-Norman dynasty founded in 1193 Hubert de Burgh, 1st Earl of Kent (c.1170–before 1243), Chief Justiciar and Regent of England Geoffrey de Burgh (c.1180–1228), English Bishop of Ely Earl of Ulster, earldom created in the Peerage of Ireland Lord of Connaught, title claimed in the Peerage of Ireland Burke Civil War 1333-38 Mac William Íochtar Mac William Íochtar (Lower Mac William) or Mayo (Lower Connaught) Burkes Clanricarde (Mac William Uachtar/Upper Mac William) or Galway (Upper Connaught) Burkes Viscount Mayo, viscountcy created in the Peerage of Ireland in 1627 Earl of Mayo, earldom created in the Peerage of Ireland in 1785 References 1160s births 1206 deaths Normans in Ireland Anglo-Normans People from the Borough of Great Yarmouth Nobility from County Limerick People from County Tipperary William 12th-century Irish people 13th-century Irish people