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Ancestry Timeline Estimator
Estimate how many generations ago a specific ethnicity entered your lineage based on segment length. This tool runs entirely in your browser using local JavaScript.
How this works
Our algorithms are based on public, peer-reviewed genetic and genealogical data. We do not store your inputs.
Common Mistakes
Do not confuse autosomal inheritance with specific chromosomal pathways. Use our centiMorgan calculator for standard relationship probability.