Michael O'Derion IV

Michael O'Derion IV (4 April 1921 - 10 August 2017) was Lord of Ireland from 1956 until 1988.

Titles
Lord of Ireland (1956-1988)
 * Predecessor: Michael O'Derion III
 * Successor: George III of Britain

Children

 * John O'Derion (born 31 July 1945)