Ray Dean Blackman 
M, (28 March 1906 - 5 March 1954)
- Relationship
- 9th great-grandson of Herman Op Den Graeff
Ray Dean Blackman was born on 28 March 1906 at Humeston, Wayne County, Iowa. He was the son of Charles Clarence Blackman and Margaret Alberta Slocum. Ray Dean Blackman married Genevieve Romane Wright in 1927. Ray Dean Blackman died on 5 March 1954 at Des Moines, Polk County, Iowa, at age 47 years, 11 months and 5 days.
Children of Ray Dean Blackman and Genevieve Romane Wright
- Charles M. Blackman
- Gene Blackman
- Glenn Blackman
- Rae Mary Blackman+ (17 Oct 1934 - 28 Jul 2010)
- G. Helene Blackman
Last Edited=27 Sep 2012