Walter mac Thomas de Búrca Irish chieftain, noble and 3rd Mac William Íochtar (d.1440) (d. 1440) Parents unknown daughter O'Conor Thomas mac Edmond Albanach de Búrca Children Theobald Bourke Ricard Bourke John de Burgh Siblings Edmund na Féasóige de Búrca Tomás Óg de Búrca Risdeárd de Búrca Partners Sabia O'Brien