https://www.catholic.org/saints/saint.php?saint_id=3167
St. Erhard of Regensburg - Saints & Angels - Catholic Online
Bishop and missionary to Bavaria, Germany. An Irishman, Erhard was auxiliary bishop of Ratisbon and possibly the abbot of Ebersheimmunstet Abbey.
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https://www.wien.info/es/iglesia-parroquial-st-erhard-mauer-142274
Iglesia Parroquial St. Erhard-Mauer - vienna.info
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