Estimating a Birth Year: Ranges from Stated Ages and Their Overlap
This lesson is part of the course
In this lesson
You turn five stated ages into birth-year ranges, find the overlap of the four consistent records with MAX and MIN and see why one record does not fit.
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Lessons in this course
- Generations & Ancestor Counts: Doubling, Running Totals and Birth-Year Estimates Locked
- Pedigree Collapse: Theoretical vs Unique Ancestors When Family Lines Cross Locked
- Pedigree Numbering: Father 2n, Mother 2n + 1, Generations with LOG and Look-ups Locked
- Cousin Relationships: Degree, «Removed» Steps and a Relationship Chart Locked
- Estimating a Birth Year: Ranges from Stated Ages and Their Overlap Locked
- Timeline Checks: Parent Ages, Events After Death and Impossible-Date Flags Locked
- Places & Moves: Places per Generation, Distances on a Map Grid and a Migration Timeline Locked
- Capstone: Research Tracker – Completeness per Person and Generation, Open Questions and a Chart Locked