Family: de Mowbray, Sir John I / de Braose, Alienora (F9389)
m. 1298-
Male
de Mowbray, Sir John I
Birth 9 Nov 1286 Melton Mowbray, Leicestershire, England 
Death 31 Mar 1322 York, Yorkshire, England Burial Aft 31 Mar 1322 Fountains Abbey, Harrogate, Yorkshire, England Marriage 1298 [1, 2, 3, 4] Swansea, Glamorgan, Wales [1, 2, 3, 4] Father de Mowbray, Lord Roger | F9732 Group Sheet Mother de Clare, Lady Rohese | F9732 Group Sheet
Female
de Braose, Alienora
Birth 1286 Gowerton, Glamorgan, Wales Death 28 Jul 1331 Yorkshire, England Burial 7 Aug 1331 England Father de Braose, Sir William VII | F9390 Group Sheet Mother de Braose, Lady Agnes | F9390 Group Sheet
Male
de Mowbray, Sir John II
Birth 7 Dec 1310 Hovingham, Yorkshire, England Death 12 Oct 1361 Bedford, Bedfordshire, England Burial 28 Oct 1361 Greyfriars, Bedford, Bedfordshire, England Spouse Plantagenet, Lady Joan of Lancaster | F9292 Marriage Between 8 Mar and 12 Jun 1327
Female
de Mowbray, Lady Christina
Birth 1305 Plumpton in Spofforth, Yorkshire, England Death 25 Dec 1362 Plumpton in Spofforth, Yorkshire, England Burial Spouse Plumpton, Sir William | F12980 Marriage
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Sources - [S327] WORLD: Find-a-Grave.
https://www.findagrave.com/ - [S788] WORLD: Wikipedia.
https://www.wikipedia.org/ - [S827] WORLD: Dictionary of National Biography.
https://catalog.hathitrust.org/Record/009805258 - [S789] WORLD: Family Search, Family Tree.
https://www.familysearch.org/search/tree/name
- [S327] WORLD: Find-a-Grave.