+--William CALVERT  (-1863)
+--Christopher CALVERT  (1 AUG 1809-8 JUL 1876)
|  +--Hannah FARRAR  (-1831)
Thomas CALVERT  (29 APR 1846-UNKNOWN)
|  +--William WATSON  (-ABT 1827)
+--Hannah WATSON  (ABT 1818-5 FEB 1911)
   +--Elizabeth HILL  (-UNKNOWN)