He was initially sentenced to life imprisonment and was sent to Knutsford Prison and thence to Frongoch internment camp , from which he was released in August 1916 .
MacDonagh last saw his brother in Richmond Barracks after the surrender .
MacDonagh was initially sentenced to life imprisonment and was sent to Knutsford Prison and thence to Frongoch internment camp , from which MacDonagh was released in August 1916 .
MacDonagh last saw his brother in Richmond Barracks after the surrender .