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 elected a Fellow of the Royal Society (FRS), a recognition of his lifelong interest in mathematics. He also served as a member of the Parliament of Northern Ireland (for Down from 1921 to 1929 and for South Down from 1933 to 1937), although he held to the republican policy of abstentionism and did not take his seat in Stormont. De Valera was criticised for ending up as co-owner of one of Ireland's most influential group of newspapers, Irish Press Newspapers, funded by numerous small investors who received no dividend for decades. De Valera is alleged by critics to have helped