Complex sentence: The Archdeaconry of Huntingdon was a part of the Diocese of Lincoln from (at the latest) the early 12th century until the archdeaconry was moved to Ely diocese by Order in Council on 30 May 1837.
Split into simpler sentences: The Archdeaconry of Huntingdon was a part of the Diocese of Lincoln from (at the latest) the early 12th century. The archdeaconry was moved to Ely diocese by Order in Council on 30 May 1837.