TABLE 1

Relative pairs in this study

Relative relationshipSize
Parent-offspring403
Siblings450
Grandparent-grandchild308
Avuncular717
Half-siblings104
Great grandparent–grandchild92
Grand avuncular231
Half avuncular114
First cousins882
First cousins, once removed634
First cousins, twice removed65
Half first cousins62
Second cousins190
Total4,252