Due Diligence and Kinship Research


New York. National. Global

Leslie Corn, CG®, FGBS, MA

Roger D. Joslyn , CG®, FUGA, FGBS, FASG

New York, New York

Certified and Forensic Genealogists


Whether you need to locate one person or trace multiple generations of a decendent's paternal and maternal lines, whether research is needed in the United States or internationally or both, we have the expertise and worldwide network of researchers to address your objectives.


Forensic Research for:
  • Attorneys
  • Executors
  • Public Administrators
  • Probate Firms
  • Trust Officers
  • Investigators
  • Realtors
  • Museum Curators
  • Insurance Companies
  • Government Agencies
  • Military Repatriation Projects

We Specialize In:
  • Research worldwide for matters involving forensic genealogy

  • Estate cases that require research in the United States and worldwide

  • Locating missing heirs and unknown heirs

  • Finding missing persons and account holders

  • Start-to-finish work for presentation in court, from research and collection of documentary evidence, through preparation of family tree charts and affidavits, and delivering expert testimony
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