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- Instructions to find a relationship between two people .
- Identify the common ancestral parents.
- Find the relationship of one of the two people, to the common
ancestral parents, by moving across the top of the chart.
- Moving down the left side of the chart, find the relationship of the
second person, to the common ancestral parents.
- Read down the column of the first person and across on the row of
the second person. The box at the junction of the column and row will
identify the relationship.
- John & Mary have found that Mary's 4th great grandparents are the same
people as John's 2nd great grandparents and they want to find their
relationship to each other.
- Mary moves across the top of the chart to column 6, as she is a 4th
great granddaughter of the common ancestral parents.
- Being a 2nd great grandson of the common ancestral parents, John
moves down the chart to row 4.
- Following the row and the column to the intersection, John & Mary
find they are 3rd cousins, twice removed.
- If John and Mary only had one grandparent in common, then they would
be half 3rd cousins, twice removed.