Ultrajectine

The Ultrajectine tradition is that of the Old Catholic Church of the Netherlands headquartered at Utrecht, Netherlands, including the anti-Papal-primacy and Jansenist tendency of that independent church and its sister churches, which were founded in later centuries (see Old Catholic Churches). Ultrajectine thought holds to the words of Vincent of Lérins's Commonitory: "We must hold fast to that faith which has been held everywhere, always, and by all the faithful." Ultrajectine thought rejects papal infallibility and holds to the belief that only the Church in ecumenical council may speak infallibly.

Utrecht was the fortified former Roman limes castellum of Traiectum, which was so named because of its possibility to cross the Rhine.

The Ultrajectines are descendants of Jansenists who fled discrimination and legal persecution imposed by papal bulls in France and the Southern Netherlands, for refuge in the comparatively tolerant Dutch Republic, which was dominated by Calvinists and therefore theologically more sympathetic towards Jansenism and its doctrine of salvation.

The Dutch Republic became a refuge for Jansenists while it was a belligerent in the Eighty Years' War; the Dutch Republic did not countenance clergy, appointed by the Holy See, entering its territory. Since the alternative Catholic theologians were practically the only leaders of the local Roman Catholic congregations left, they quickly rose to prominence within the Catholic laity who required ordained ministers. They were perceived to be loyal civil subjects and were favored by Calvinists and the government. Thus, Jansenist theologians assumed dominant positions in clandestine churches structure in the Dutch Republic. At first, the Papacy countenanced this development.

...
Wikipedia