Nielsen Hayden genealogy
Family: Roger de Davenport / Mary Salemon (F4187)
m. Abt 1250-
Father | Male
Roger de Davenport
Born of Davenport, Congleton, Cheshire, England 
Died Aft 1290 Buried Married Abt 1250 [1] Father Vivian de Davenport | F6219 Group Sheet Mother Beatrix de Hulme | F6219 Group Sheet
Mother | Female
Mary Salemon
Born of Withington, Macclesfield Hundred, Cheshire, England 
Died Bef 1301 Buried Father Robert Salemon | F2071 Group Sheet Mother
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Sources - [S977] The Blackmans of Knight's Creek: Ancestors and Descendants of George and Maria (Smith) Blackman by Henry James Young. Carlisle, Pennsylvania: 1980.
- [S977] The Blackmans of Knight's Creek: Ancestors and Descendants of George and Maria (Smith) Blackman by Henry James Young. Carlisle, Pennsylvania: 1980.