To help them to follow the Mass, which used to be in Latin, believers could rely on their prayer book. It contains the readings, epistles and hymns of the Sunday Mass, often with the texts in both Latin and Dutch. This prayer book belonged to a certain Simone Delaruelle, from the Broekstraat, which is right opposite Park Abbey. Prayer cards were often used as bookmarks. This prayer book contains several. One of them is a prayer card to Saint Norbert, Park Abbey’s patron saint. In 1120, in Prémontré in France, this Norbert founded a new monastic order, the Premonstratensians, or Norbertines. During the 12th century, several other Norbertine abbeys were founded, among them our own Park Abbey. At the request of Godfrey the Bearded, Count of Leuven, the Abbot of Laon, sent a number of Norbertines to Heverlee. The Duke put his hunting park at their disposal and in 1129 the Parcum Dominorum, the Abbey of the Park, was born.