+--Unknown KURYK 
   +--Lewis Kuryk COHEN  (1874-5 JAN 1952)
+--Percy Cohen CROSBY 
|  +--Sarah WALLER  (1884-25 JAN 1973)
David Philip CROSBY 
|     +--Abraham LEVEY 
|  +--Sidney Solomon LEVEY  (3 NOV 1888-4 JUL 1946)
|  |  +--Rachel LEVY 
+--Ruby Hilda LEVEY 
   |  +--Solomon DAVIS  (ABT. 1870-)
   +--Sarah Sadie DAVIS  (6 JUL 1895-17 AUG 1966)
      |  +--Unknown CLAVANSKY 
      +--Sarah CLAVANSKY  (-JUL 1895)
         +--Rose UNKNOWN  (ABT. 1851-)