Margaret de Burgh Peerage person ID=147188 Parents Richard Burke, 2nd Earl of Clanricarde Honora O'Brien Children Margaret Burke John Bourke, 2nd Baron Bourke of Brittas Siblings John na Seamar Burke, 1st Baron Leitrim unknown daughter Bourke Richard 'Og' Bourke Mary de Burgh unknown son Bourke Lady Mary Burke William mac an Iarla Burke Ulick Burke, 3rd Earl of Clanricarde unknown son Bourke Partners Theobald Bourke, 1st Baron Bourke of Brittas Richard Burke