- Apostle of Guelderland
- Plechelmus of Guelderland
Benedictine monk. Priest. Pilgrim to Rome, Italy with Saint Wiro and Saint Otger. Regional missionary bishop to Northumberland, England. Missionary to Friesland, in the modern Netherlands; may have worked with Saint Willibrord of Echternach. Helped found Saint Peter’s monastery at Roermond, Netherlands near modern Odilienberg c.700 on land given them by Blessed Pepin of Herstal.
- Book of Saints, by the Monks of Ramsgate
- Lives of the Saints, by Father Alban Butler
- Our Sunday Visitor’s Encyclopedia of Saints
- “Saint Plechelm of Guelderland“. Saints.SQPN.com. 12 July 2013. Web. 21 April 2014. <>