Vivion de Valera Vivion de Valera Vivion Laurence de Valera (13 December 1910 – 16 February 1982) was an Irish Fianna Fáil politician, businessman and lawyer who served as a Teachta Dála (TD) from 1945 to 1981. He was the eldest child of Éamon de Valera and Sinéad de Valera. He was named after his paternal grandfather, Juan Vivion de Valera. Born in Dublin in 1910, Vivion de Valera was educated at Blackrock College, University College Dublin (MSc, PhD) and King's Inns. While at UCD, he was auditor of the Literary and Historical Society. He was called to the Bar in 1937. After
Éamon de Valera that Proportional Representation had been responsible for the instability that had characterised much of the post war period. A constitutional referendum to ratify this was defeated by the people. One aspect of de Valera's legacy is that since the foundation of the state, a de Valera has nearly always served in Dáil Éireann. Éamon de Valera served until 1959, his son, Vivion de Valera, was also a Teachta Dála (TD). Éamon Ó Cuív, his grandson, is currently a member of the Dáil while his granddaughter, Síle de Valera is a former TD. Both have served in ministries in the Irish