Family: Sir John DeWelles / Lady Joan De Mowbray, Baroness Grey of Heaton (F2410)

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John ( 4rh baron Mowbray of theisk) de Mowbray (1340-1368)

Duchess Elizabeth Segrave (1338-1398)

 

 

Sir John DeWelles (1352-1421)

Lady Joan De Mowbray, Baroness Grey of Heaton (1362-1402)

Family with Sir Roger, 3rd Baron, de la Warre (maid. name Lord la Warr)
Family with Sir Lewis de Clifford, KG
Family with Sir Thomas IV "Crooked Foot" De Grey, Baron Grey of Heaton, KG