File:Salisbury Cathedral, Lady Catherine Grey (50422351426).jpg

She is raised above Edward due to her royal connections.

Small shield at right: Grey of Groby, Leicestershire impaling Le Strange (representing the marriage of Reginald Grey, 2nd Baron Grey of Ruthin (1322-1388) and Eleanor Le Strange. Grey of Groby was a cadet line of Grey of Ruthin, descended from Reginald Grey, 3rd Baron Grey of Ruthin (1362-1440) and his second wife Joan Astley) Large shield: Seymour quarterly of 14 impaling Grey quarterly of 16:
Dexter (baron):

• 1: Or, on a pile gules between six fleurs-de-lys azure three lions passant guardant or (Seymour (marriage augmentation))
• 2: Gules, two wings conjoined in lure or (Seymour of Wulfhall, Wiltshire)
• 3: Vair (Beauchamp of Hatch, Somerset)
• 4: Gules, a chief argent a label of three points of the field
• 5: Azure, three escallops or (Malet ?)
• 6: Party per pale or and vert, a lion rampant gules (Arms of William Marshal, 1st Earl of Pembroke)
• 7: Or, six lioncels sable 2,2,2 (Ferrers) (Papworth, John Woody, Alphabetical Dictionary of Coats of Arms Belonging to Families in Great Britain and Ireland, Vol.I, London, 1874, p.180; Burke, Sir Bernard, The General Armory, London, 1884, p.348)
• 8: Gules, three lions passant in pale argent (Giffard of Brimpsfield, Gloucestershire)
• 9: Azure, three garbs or (Arms adopted by Ranulf de Blondeville, 6th Earl of Chester (died 1232))
• 10: Or, two fesses dancetty gules (Harken ?) (Papworth, John Woody, Alphabetical Dictionary of Coats of Arms Belonging to Families in Great Britain and Ireland, Vol.I, London, 1874, p.18; Burke, Sir Bernard, The General Armory, London, 1884, p.456)
• 11: Esturmy
• 12: Barry of six ermine and gules (Hussey)
• 13: Macwilliam
• 14: Coker

Sinister (femme):

• 1: Grey of Groby, Leicestershire
• 2: Hastings
• 3: Valence
• 4: Astley
• 5: Vairy or and gules (Ferrers, Earl of Derby)
• 6: Gules, seven mascles or 3,3,1 Arms of Ferrers (of Groby) (De Quincy)
• 7: Gules, a cinquefoil ermine (Beaumont, Earl of Leicester)
• 8: Azure, three garbs or Arms of Ranulf de Blondeville, 6th Earl of Chester (died 1232):
• 9: Lupus, Earl of Chester
• 10: Woodville
• 11: Bonville
• 12: Harington
• 13: Barry of ten argent and gules, a lion rampant or ducally crowned per pale of the first and second (Brandon, Duke of Suffolk)
• 14: Lozengy ermine and gules (de la Rochelle / Rokele)
• 15: Azure, a cross moline or (le Bruyn of South Ockendon in Essex)
• 16: Azure, a fess or between three bezants