House of Grey
House Grey of Wilton
Lords of Wilton, Shirland
and Ruthyn
Barons Grey de Wilton
Issued from John Grey of Shirland, 2nd son of Henry de Grey of Grays ThurrockHouse Grey of Merton
Lords of Merton, Cavendish
and Walsingham
Barons Walsingham
Issued from William de Grey of Cavendish, 3rd son of Henry de Grey of Grays ThurrockHouse Grey of Rotherfield
Lords of Rotherfield,
Shabbington and Bedale
Barons Grey of Rotherfield
Issued from Robert de Grey of Rotherfield, 4th son of Henry de Grey of Grays ThurrockHouse Grey of Heaton
Lords of Heaton and Powys
Barons Grey of Powis
Earls of Tankerville
Issued from Hugh de Grey of Chillingham, 6th son of Henry de Grey of Grays Thurrock