The eldest, John-Baptiste Sebastian Comper (1891-1979), became an architect, designing many churches for the Roman Catholic Diocese of Northampton. From 1912, Comper and his wife lived in London at The Priory, Beulah Hill, a house designed by Decimus Burton (1800–81), where he entertained friends such as Sir John Betjeman.
The oldest, John-Baptiste Sebastian Comper (1891-1979), became an architect, designing numerous churches for the Roman Catholic Diocese of Northampton. From 1912, Comper and his wife resided in London at The Priory, Beulah Hill, a house designed by Decimus Burton (1800–81), where he hosted friends like Sir John Betjeman.