Comprehensive geneaology on the Robinson Family Tree can be found at www.ancestry.com.  Start with Norma Coreen Robinson and you can go back about 15 generations.  The Robinson Family Tree extends generations back to origination from England.  Immigrants from England are marked with a ship default picture.  

 

Interesting searches include the lines of Smith (Oliver Robinson's mother), Drake (Edna Sylvia Drake Robinson's father), and Rice (Edna Sylvia Drake Robinson's mother).