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
Sinéad de Valera and Terence (Terry), and two daughters, Máirín and Emer. On 9 February 1936, Brian, then aged twenty, was killed in a riding accident in the Phoenix Park. Due to a combination of his imprisonment, political activities, and fundraising tours of the United States, the family saw relatively little of Éamon de Valera in the 1916-23 period. He was also away from home frequently during the early years of his political career. Sinéad de Valera played little or no public role during her husband's fifty years in public life. Sinéad de Valera wrote thirty one books for children in both English