Question: When did Vivion De Valera's father die?
Sentence (from "Éamon de Valera"): Éamon de Valera (first registered as "George de Valero"; changed some time before 1901 to "Edward de Valera"; 14 October 1882 – 29 August 1975) was a prominent statesman and political leader in 20th-century Ireland.
Relevant evidence: Yes