Ernulf, Bishop of Rochester

Ernulf was a French Benedictine monk who became prior of Christ Church in Canterbury, abbot of Peterborough, and bishop of Rochester in England. A jurist and an architect as well, he was responsible for greatly expanding Canterbury Cathedral during his time there.

The Bishop of Rochester is the ordinary of the Church of England's Diocese of Rochester in the Province of Canterbury.

March 15 is the 74th day of the year in the Gregorian calendar; 291 days remain until the end of the year.