Roolf & Ostien Sources
The sources used to establish the information about the Roolf and Ostien families
were derived from:
Birth records
Marriage records
Death records
Church records
Census records
Oral and written accounts from family members
Cemetery records
Immigration and naturalization records
Land records
Wills and testaments
Court documents
Military service records
Much of the information was collected by visiting and/or writing to
the Carnegie Library of Pittsburgh and the Western Reserve Historical Society
(Cleveland, Ohio) for census records;
the Allegheny County Recorders Office and Courthouse for marriage, birth, death,
and land records; Pittsburgh-area churches and cemeteries, particularly
Churchill Cemetery in Wilkins Twp., PA; the National Archives; the
The Western Pennsylvania Genealogical Society; plus church and
state archives in Germany.
Special thanks go to Keith Ostien, Rita Davis, and Michael Ostien (Germany)
for introducing us to hundreds of Ostien family members we would not otherwise
have ever known about.
We believe that every piece of information posted on this Web site is
correct, and almost all of it can be corroborated through at least one
reliable official record, or two or more other sources of information.  
We have copies of all of our sources (such as in the list above), and
would be happy to provide copies of the documentation for those interested.
However, errors inevitably occur.   Further, this information is not
necessarily complete.   For example, a list of children may be
incomplete since it's hard to find records of all the children that
parents have ever had.  
Please do not hesitate to contact us if you find any omissions,
discrepancies, or factual errors.
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