And, of course, Madame Orly was married to a collaborateur (as confided by Sue Sims at the AF Conference, based on discussions with AF) which presumably causes a good few tensions in the Marlow household now, too.

I think Patrick staying up all night lighting candles for Peter in the chapel is an extraordinarily moving scene, and very much founded on a clash between two strands of Catholicism in his heritage, the Old Catholic families and the Irish nursemaid who'd taught him prayers.