David Alexander
 1839 - 1888  (49 years)
 1839 - 1888  (49 years)( = Descendancy chart to this point,
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- 1  David Alexander [1]  b. 1839 d. 1888
- +  Mary Jane Henderson  b. 1842 d. 1923
 
- +  Mary Jane Henderson  b. 1842 d. 1923
 1839 - 1888  (49 years)
 1839 - 1888  (49 years)( = Descendancy chart to this point,
 = Descendancy chart to this point,  = Expand,
 = Expand,  = Collapse)
 = Collapse)