In 1272 he and Hosty ap Meurig were slain by Cathal, son of Conor Roe, and by the Clann-Murtough O'Conor.
The latter Gaelic family, the Clan Muircheartaigh Uí Conchobhair, then tenants of Butler in Umhaill, had previously been lords over the territories, but their uprising led to their expulsion within two years.
In 1333, another John Butler or le Botiller, son of a Peter, held Henry's estates.
In 1380 his son Thomas, Lord of Achill and Owles, is attested in a transfer of land in Co.
In the late 1500s, however, the then Earl of Ormond obtained the rights to Henry's estates by unknown means.