+--John Coates 
Steve Coates 
|     +--William L Perkins  (1855/1856-)
|  +--Pearl Clifford Perkins  (18 May 1894-Nov 1978)
|  |  +--Emma Clarisa Sanger  (24 Apr 1863-31 Jan 1934)
+--Doris Esther Perkins  (30 Apr 1926-22 May 1984)
   |  +--Franklin Vonado 
   +--Anna Rebecca Vonado  (29 Nov 1898-18 Aug 1979)
      +--Eva Catherine Bressler