Encyclopedia of the Medieval Chronicle

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Ambrosius of Heiligenkreuz
(455 words)

fl. 1305-1312. Austria. Ambrosius was a monk in the Cistercian monastery of Heiligenkreuz, close to Vienna. He held a doctorate in ecclesiastical law and wrote two small treatises on the persecution of Jews in Austria during and before the reign of Rudolf of Habsburg.

The Tractatus de hostia mirifica was written in 1310 but reports an incident that happened five years earlier in Korneuburg in Styria. A fanatical and anti-Semitic clergyman planted a bloody communion wafer in the house of a Jew, who, together with other Jews from the community,…

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Wiesinger, Michaela, “Ambrosius of Heiligenkreuz”, in: Encyclopedia of the Medieval Chronicle, Edited by: Graeme Dunphy, Cristian Bratu. Consulted online on 27 May 2019 <http://dx.doi.org/10.1163/2213-2139_emc_SIM_001000>
First published online: 2016

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