Gulielmus Cobben
Gulielmus Cobben was a Dutch Catholic priest and [Bishops in the Roman Catholic|Catholic Church|bishop], who was the first bishop of the Roman Catholic Diocese of Helsinki.
Cobben was ordained in 1924. Before being consecrated bishop, he was the chaplain of the Catholic congregation of Terijoki and Vyborg, and the vicar of the congregation of Turku. In 1933, he was appointed as the apostolic vicar of Finland, replacing Bishop Michael Buckx. He was consecrated as the titular bishop of Amathus in Palæstina in 1934. During his tenure as the apostolic vicar of Finland, the Diocese of Helsinki was established and replaced the apostolic vicariate of Finland in 1955. He was the first Bishop of Helsinki and resigned from the position in the year 1967. He was titular bishop of Tamagrista from 1967 to 1976.