, where the name emerged after the 14th century, where it was related to the name "Ertmar"; this name is also reflected in the place name Erdmannsdorf, found in both
. This family name spread throughout the northern regions of
, and Ertwin Erdtmann is mentioned in Osnabrueck chronicles as early as 1509.
This web page shows only a small excerpt of our Ertman research.Another 97 words (7 lines of text) covering the years 1703, 1843, 1629, 1666, 1665, 1666, 1774, 1835, 1804, 1869, 1805 and 1892 are included under the topic Early Ertman History in all our PDF Extended History products and printed products wherever possible.