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Male Sir Roger de Mowbray Click to view Sir Roger de Mowbray in the family tree

Roger was born in 1175 in Masham, Yorkshire, England.1   Roger's father was Nigel de Mowbray and his mother was Mable de Clare.  His paternal grandparents were Roger de Mowbray and Alice de Gaunt; his maternal grandparents were 2nd Earl of Hertford Roger (The Good) de Clare and Maud de St. Hilaire. He had three brothers and a sister, named Robert, Philip, William and Alice.  He was the second youngest of the five children. He had four half-brothers and a half-sister, named Richard, John, Christian, Robert and Aelina.2 

1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=GET&db=michaelrneuman&id=I020884
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=arciek&id=I15658

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