The Marienkirche is a main church in Wolfenbüttel, Lower Saxony, Germany. The official name of the Lutheran church is Hauptkirche Beatae Mariae Virginis. Short common names are Hauptkirche BMV, or simply BMV. It is regarded as the first major Protestant church. It was commissioned by Henry Julius, Duke of Brunswick-Lüneburg. Building began in 1608, directed by Baumeister Paul Francke. The portals in the north and south are attributed to Jacob Meyerheine.de:Jacob Meyerheine