Michael Butler Yeats was an Irish barrister and Fianna Fáil politician. He served two periods as a member of Seanad Éireann.
His father was the poet W. B. Yeats, who likewise served in the Seanad, and his mother was Georgie Hyde-Lees. Wikipedia
Born: August 22, 1921, Thame, United Kingdom
Died: January 3, 2007 (age 85 years), Dublin, Ireland
Parents: William Butler Yeats and Georgiana Hyde-Lees
Spouse: Gráinne Yeats (m. 1949)
Grandparents: John Butler Yeats, Susan Pollexfen, Edith Hyde-Lees, and more
Great-grandparents: William Pollexfen, William Butler Yeats, Jane Grace Corbet, and more
Uncle: Jack Butler Yeats