Question: What is the date of birth of John I, Count Of Armagnac's father?
Sentence (from "Charles I, Count of Armagnac"): Charles d' Armagnac, born 1425, died June 3, 1497 in Castelnau- de- Montmiral at the age of 72 years, was Count of Armagnac and Rodez from 1473 to 1497.
Relevant evidence: No