William (Lord of Connaught) De Burgh
William (Lord of Connaught) was born in 1158 in Connacht, Ireland.¹   He died at the age of 48 in 1206 in Galway Castle, Connaught, Ireland.¹ 

 Isabel of England

 Richard De Burgh
Richard was born about 1210 in Of, Galway, Galway, Ireland.¹   He died in 1243.¹