Compare Constellations

Information: The first column shows data points from Alexander, Robert, active 1812 in red. The third column shows data points from Alexander, Robert Spruel Crawford Aitcheson, 1819-1867 in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Alexander, Robert, active 1812

Shared

Alexander, Robert Spruel Crawford Aitcheson, 1819-1867