Lady Margaret Butler

https://en.wikipedia.org/wiki/Barnaby_Fitzpatrick,_1st_Baron_Upper_...

Fourth, Barnaby Fitzpatrick, 1st Baron Upper Ossory, about 1532, he married Margaret Butler, widow of Richard Mór Burke and widow of Thomas FitzGerald (of Desmond), first daughter of Piers Butler, 8th Earl of Ormond. They had children:[7]

1. Barnaby (c. 1533–1581), his successor and second Baron, was invited to study in London with the boy-king Edward VI, who developed a deep affection for him.[8]
2. Florence, who succeeded to Upper Ossory on the death of his brother.[9]
3. Donnell, of Gortnaclea.
4. Geoffrey, of Ballyawly.
5. Grainne or Grizzel who was married to her first cousin, Edmund Butler, 2nd Viscount Mountgarret.