In a letter written to his grand-daughter in April 1949, during his time as Apostolic Nuncio to Paris, Mgr. Angelo Giuseppe Roncalli, defined St. Joseph....
I hope that’s a typo that has a monseigneur with a granddaughter. Grand niece? God daughter?
Could be as you say. I don’t think we had the married priests that we have today who came from other religions converting to Catholicism.