Chapel in Usk Prison. Con O’Donovan sent a postcard from Usk Prison in 1918. ‹ Previous Cork Hunger Strike 1920. Peter O’Donovan, brother of Con O’Donovan, which survived the Hunger Strike is seated at bottom right. Next › Sean was the eldest son of Con and Agnes O’Donovan. Chapel in Usk Prison. Con O’Donovan sent a postcard from Usk Prison in 1918.