+--Raymond E. Mayhew 
+--Dean R. Mayhew 
|  |  +--Everett O. Dean 
|  +--Laura Naoma Dean  (28 MAY 1912-6 SEP 1968)
|     |                             +--John Killough 
|     |                          +--John Killough  (1630-)
|     |                       +--John Killough  (1657-CA. 1715)
|     |                       |  +--Mary Hyde 
|     |                    +--Robert Killough  (1681-1737)
|     |                    |  +--Anne (McNeil) MacNeill  (CA. 1659-)
|     |                 +--Finley (Killough) Kelloch  (1711-)
|     |                 |  +--Margaret Finley 
|     |              +--Matthew Kelloch  (29 MAR 1737-23 MAR 1824)
|     |              |  |  +--John Young 
|     |              |  +--Mary Young  (12 JUN 1700-21 SEP 1795)
|     |              |     +--Catherine?  
|     |           +--Finley Keller, (3d)  (28 MAR 1765-7 MAR 1837)
|     |           |  |  +--Dr. Moses Robinson  (1703-4 MAR 1763(4?))
|     |           |  +--Mary Robinson  (31 JAN 1739-31 NOV 1839)
|     |           |     |  +--Daniel Fitzgerrald 
|     |           |     +--Mary Fitzgerald 
|     |        +--Moses Keller  (6 MAY 1788-18 APR 1872)
|     |        |  +--Mary Gardner  (1766-9 JUN 1793)
|     |     +--Findley B. Keller  (14 SEP 1822-12 DEC 1915)
|     |     |  |  +--Samuel Tolman  (24 JAN 1755-18 FEB 1826)
|     |     |  +--Asenath Tolman  (17 AUG 1795-17 AUG 1884)
|     |     |     +--Experience Gregory  (19 SEP. 1760-19 FEB 1828)
|     |  +--Findley Chaney Keller  (18 JUN 1866-18 APR 1931)
|     |  |  +--Harriet Ann Libby  (21 MAR 1827-12 DEC 1902)
|     +--Helen Marr Keller  (2 SEP 1886-JAN 1972)
|        |  +--Stephen Babbidge  (15 NOV 1844-)
|        +--Laura Bell Babbidge  (22 SEP 1866-NOV 1939)
|           +--Laura A. Veazie  (10 APR 1846-)
Mark Daniel Mayhew 
+--Mary Ann Johnson