I incorporate the Genealogical Proof Standard in all my research and lectures – including those on DNA. I specialize in teaching others how to get the most from this revolutionary new source, and use DNA test results as evidence to solve complex relationship problems.
Choose from a list of lectures or contact me about designing a lecture to fit your unique needs.
DNA: A Power Tool in the Genealogist’s Tool Box
Learn the many ways DNA test results confirm and advance documentary research. Fun and entertaining lecture. All levels.
DNA Evidence and the Genealogical Proof Standard
Summarized the DNA-related standards within the context of the Genealogical Proof Standard. Provides practical examples of various strategies to meet Genealogy Standards with DNA evidence.
Looking for Treasure? X Marks the Spot
The unique inheritance pattern of the X chromosome offers a strategy to solve genealogical puzzles.
Blasting the Myth: Mitochondrial DNA Evidence is Useful for Genealogy
Mitochondrial DNA tests do have practical application for genealogical research. Includes an overview of common interpretation errors.
Avoiding Common Mistakes When Working with atDNA
Provides awareness of the common errors in atDNA interpretation and strategies to avoid them.
DNA Testing Companies: A Newcomer’s Guide to Making an Informed Choice
Ex[plore the types of DNA tests and the strengths and weaknesses of the testing companies. Emphasis is on the development of an efficient targeted testing plan.
The Sonnemaker Line from Hannover to Illinois
This case study confirms and extends the pedigree of an immigrant ancestor born in 1787 in Hannover, Germany who migrated to DuPage County, Illinois in 1841. The proof includes genetic matching with integration of a wide variety of documentary sources.
Case Studies—Integration of DNA and Documentary Evidence to Achieve a Genetic Relationship Conclusion
Case examples demonstrate research strategies integrating evidence from documentary and genetic sources to prove genetic relationship conclusions.
Bricks and Mortar: Building a Sturdy Proof Argument with DNA and Documentary Evidence (Case Study)
Understand the mechanics of a DNA-based proof argument by studying an article published in the June 2016 National Genealogical Society Quarterly and honored with the NGSQ Award for Excellence. Learn to communicate DNA test results using narrative text, tables, figures, and citations. The case proves the identify of a Mexican biological father of an adoptee born in Michigan. Documentary and genetic sources are integrated from the U.S. and Mexico. The emphasis is on research strategy and writing choices to meet Genealogy Standards.
A Giant Logic Puzzle: An Overview of Visual Phasing
This advanced technique uses three siblings’ atDNA results to reconstruct the genomes of their four grandparents.
My Ancestors Live on in Me: Chromosome Mapping to Create Hypotheses
This advanced lecture discusses theuse of a chromosome map to generate hypotheses about the identity of brick-walled ancestors. A case study illustrates the technique with a long-standing 18th century brick wall problem.
Proving Your Pedigree: Achieving Proof at Every Generation
A chain is only as strong as its weakest link! Learn to prove each generation in an ancestral line using the Genealogical Proof Standard, and when and how to use DNA data in the process.
The Everleigh Sisters: A Case Study in Conflict Resolution
Minna and Ada Everleigh, Chicago’s most famous pair of sisters, fabricated many details of their lives in order to run their shady business. Learn to sort fact from fiction.
From Sicily to Chicago’s “Little Hell” Neighborhood—Extortion, Bootlegging, Capone Gang Wars
The story of a Sicilian immigrant who landed with $50 and went on to become a wealthy Lincoln Park property owner 20 years later. This lecture follows his fascinating journey to Chicago and his life during the time of Black Hand extortion, Prohibition, and Capone gang wars. The emphasis is on conflict resolution with rich historical context.