Walter de Burgh, Lord of Connacht, 1st Earl of Ulster, was born circa 1230 to Richard Mor de Burgh (c1194-1242) and Egidia de Lacy (c1205-?) and died 21 July 1271 Galway of unspecified causes. He married Aveline FitzJohn (c1244-1274) .
|Offspring of Walter de Burgh and Aveline FitzJohn (c1244-1274)|
|Richard de Burgh (1259-1326)||1259||29 July 1326 Cashel||Margaret de Burgh (-1304)|
|Theobald de Burgh|
|William de Burgh|
|Thomas de Burgh|
|Egidia de Burgh|