The surname Osterdag was first found in Baden in Swabia, where the name was anciently associated with the tribal conflicts of the area. They declared allegiances to many nobles and princes of early history, lending their influence in struggles for power and status within the region. They branched into many houses, and their contributions were sought by many leaders in their search for power.
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Early History of the Osterdag family
This web page shows only a small excerpt of our Osterdag research. Another 78 words (6 lines of text) covering the year 1847 is included under the topic Early Osterdag History in all our PDF Extended History products and printed products wherever possible.
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Osterdag Spelling Variations
Spelling variations of this family name include: Ostertag, Ostertagg, Osterdag, Osterdagg and others.
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Early Notables of the Osterdag family
More information is included under the topic Early Osterdag Notables in all our PDF Extended History products and printed products wherever possible.
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Osterdag migration to the United States
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Some of the first settlers of this family name were:
Osterdag Settlers in United States in the 18th Century
Matheas Osterdag, who settled in Philadelphia in 1739
Osterdag migration to the United States 
Germany
