Sir Robert de Grey , Lord of Duston
- Born: 5 Jan 1246, of Rotherfield Greys, Sussex, England
- Marriage (1): Joan de Valoignes in 1267 in Oxfordshire, England
- Died: Bef 27 May 1295
- Buried: 1295, Rotherfield Greys, South Oxfordshire District, Oxfordshire, England
FamilySearch ID: M8T1-MHF.
Robert married Joan de Valoignes in 1267 in Oxfordshire, England. (Joan de Valoignes was born about 1250 in Shabbington, Buckinghamshire, England, died before 6 Sep 1312 in England and was buried in St. Nicholas' Churchyard, Rotherfield Greys, South Oxfordshire District, Oxfordshire, England.)
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