The Abbey Pax Mariae (), more commonly referred to as Vadstena Abbey, situated on Lake Vättern in the Diocese of Linköping, Sweden, was the motherhouse of the Bridgettine Order. The abbey started on one of the farms donated to it by the king, but the town of Vadstena grew up around it. It was active from 1346 until 1595. History Foundation and duration The abbey was founded in 1346 by Saint Bridget with the assistance of King Magnus IV of Sweden and his Queen Blanche, who made a will donating ten farms, including that of Vadstena in Dal Hundred, Östergötland, to the abbey founded by Bridget. The daughter of Saint Bridget, Saint Catherine, on arriving there in 1374 with the relics of her mother, found only a few novices under a Religious Superior. They chose Catherine as their abbess. She died in 1381, and it was not until 1384 that the abbey was blessed by the Bishop of Linköping. The first recognized abbess was Ingegerd Knutsdotter, granddaughter of Saint Bridget. The canonization of Saint Bridget in 1391 and the translation of her remains to the Abbey Church in 1394 added greatly to the fame and riches of her community. In 1400 Duke Eric of Pomerania was invested at Vadstena by his great-aunt, Queen Margaret, as King of Denmark, Norway and Sweden. The grave of his wife, Queen Philippa, and that of Catherine, Queen Consort of King Carl II of Sweden, are located here. Bridgetine literature consisted mostly of translations into Swedish of portions of the Bible or of the legends of the saints. Such writings as are extant have been published for the most part by the Svenska fornskriftsällskapet (Old Swedish Texts Society) of Stockholm. The manuscripts are held in the Royal Library, Stockholm (including two in Swedish in Birgitta's handwriting), and at the University Libraries of Uppsala (which also has contemplative manuscripts in English connected with the English mission), and Lund. Of these authors, the best known belonging to Vadstena are perhaps Margareta Clausdotter (abbess 1473, died 1486), author of a work on the family of St. Bridget (printed in "Scriptores Rerum Svecicarum", III, I, 207-16), and Nicolaus Ragvaldi, monk and General Confessor of the abbey (1476–1514), who composed several works. The abbey was a double monastery, with both a male section of 25 monks and a female section of 60 nuns. The monks were organised under the General