Roman Catholic Diocese of Sion Roman Catholic Diocese of Sion The Diocese of Sion (, , ) is a Roman Catholic ecclesiastical territory in the canton of Valais, Switzerland. It is the oldest bishopric in the country and one of the oldest north of the Alps. The history of the Bishops of Sion, of the Abbey of St. Maurice of Valais as a whole are inextricably intertwined. The see was established at Octodurum, now called Martigny, the capital of the Roman province of Alpes Poeninae. The first authentically historical bishop was Saint Theodore/Theodolus (died in 391), who was present at the Council of Aquileia in
Sion Hill Sion Hill Sion Hill is a National Historic Landmark in Havre de Grace, Maryland, notable as an example of high-style Federal architecture and as the home of a family of prominent officers of the United States Navy. Work began at Sion Hill around 1785 for the Rev. John Ireland, but progressed slowly, as the unfinished house was sold in 1795 to Gordon Denison. In 1799 the still-unfinished house passed to Denison's daughter Minerva, who was to marry Commodore John Rodgers in 1806. Together, they finished the house. Descendants of John and Minerva Rodgers still own the house today, and have