Sinn Féin for nine years. (It merged with two other organisations to form Fine Gael in 1933.) Anti-Treaty Sinn Féin members continued to boycott the Dáil. At a special "Ard Fheis" in March 1926, de Valera proposed that elected members be allowed to take their seats in the Dáil if and when the controversial Oath of Allegiance was removed. When his motion was defeated, de Valera resigned from Sinn Féin; on 16 May 1926, he founded his own party, Fianna Fáil, which was dedicated to republicanising the Free State from within its political structures. He took most Sinn Féin TDs with him.
Éamon de Valera would he be likely to make trouble in the future?" On being told that de Valera was unimportant, he commuted the court-martial's death sentence to life imprisonment. De Valera had no Fenian family or personal background and his MI5 file in 1916 was very slim, detailing only his open membership in the Irish Volunteers. Fourth, by the time de Valera was court-martialled on 8 May, political pressure was being brought to bear on Maxwell to halt the executions; Maxwell had already told British Prime Minister H. H. Asquith that only two more were to be executed, Seán Mac Diarmada and