+--JAMES SR. MILLIGAN  (29 Feb 1800-1 JUN 1866)
      +--WILLIAM MILLIGAN  (26 APR 1831-26 APR 1910)
      |  +--MARY MCKEAG  (OCT 1807-31 MAR 1889)
   +--CHARLES ROCKWELL MILLIGAN  (11 MAY 1865-JUL 1949)
   |  |  +--THOMAS MANN 
   |  +--ELIZABETH ANN MANN  (13 JUN 1840-15 DEC 1915)
   |     +--ELIZA DEWOLFE  (-7 JUN 1889)
+--DONALD CLARK MILLIGAN  (20 NOV 1913-)
|  +--MINNIE FRANCES CLARK  (21 SEP 1873-18 NOV 1927)
MICHAEL DENNIS MILLIGAN  (26 AUG 1956-12 OCT 1987)
+--OLIVE RIENDEAU