In what city is the church located that was named after the Anglo-Saxon missionary to the Frankish Empire?
Ferdinand van Apshoven the Younger:  In 1694 he died, and was buried in the church of St. Walburg, in Antwerp. Saint Walpurga: Saint Walpurga or Walburga (Old English: "Wealdburg" , Latin: "Valpurga, Walpurga, Walpurgis" ; c. AD 710 – 25 February 777 or 779), also spelled Valderburg or Guibor, was an Anglo-Saxon missionary to the Frankish Empire.
Antwerp