Tags: Noble.
Count Otto III Rietberg (between 1475 and 1485 – 18 December 1535) was Count of Rietberg from 1516 to 1535.Otto III was probably born between 1475 and 1485 as the eldest son of John I and his wife Margaret of Lippe.Otto’s second wife Onna of Esens introduced the Reformation in the County of Rietberg. In 1533 Otto III appointed two preachers from Lippe to teach the new faith in the parishes of Rietberg and Neuenkirchen.Otto III suffered from ulcers on his leg.