https://www.irishtimes.com/life-and-style/people/myrtle-allen-94-the-matriarch-of-modern-irish-cuisine-1.3529038#.WyEw7DiYttc.twitter
For those who are confused, her daughter in law is Darina Allen, and Darina's daughter in law is Rachel
Myrtle founded th ehotel, and Darina and Rachel are involved with the cookery school.