Unfortunately I do not know who that was, but I would suggest contacting the parish directly to find out. Maria Reina is the home of the English-speaking Catholic community in Barcelona, and they have their own website here: http://mariareinachurch.com/index.php
If you contact them in English I am sure they could tell you who that priest (or bishop) was. I have heard many good things about their community. I am very happy that my site was useful to you!
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