Adelheid von Tecklenburg Peerage person ID=6381 (d. 1477) Parents Ermengard von Hoya Otto VII, Count of Tecklenburg Children Anna of Oldenburg Elisabeth of Oldenburg Hedwig Oldenburg Christian of Oldenburg Adelheid von Oldenburg Dietrich Oldenburg John V Adolph, Count of Oldenburg-Delmenhorst Irmgard of Oldenburg Gerhard Oldenburg Otto Oldenburg Siblings Nicholas III, Count of Tecklenburg Maria von Tecklenburg Otto VIII von Tecklenburg Partners Gerhard VI