P
O
http://iconclass.org/11H%28WILLIBRORD%298%28%2B5%29
the 'apostle of Frisia' and archbishop of Utrecht, Willibrord (of Echternach); possible attributes: cask (barrel), well (fountain), child (on a book), model of church, stone bottles - post-mortem occurrences ~ male saint (+ donor(s), supplicant(s), whether or not with patron saint(s))