(North Holland) (d. c.710), deacon. A native of Northumbria and disciple of Willibrord, apostle of Frisia, Adalbert worked mainly at Egmond but possibly for a time at Utrecht. His late Life records only generalities about him together with accounts of miracles at his tomb. A Benedictine monastery dedicated to him was revived at Egmond during the first half of the 20th century. Feast: 25 June.
From The Oxford Dictionary of Saints in Oxford Reference.