Katharine de Grey (born 1928); widow of George Herbert, 7th Earl of Powis (b. 1928) Parents George de Grey, 8th Baron Walsingham Hyacinth Lambart Bouwens Children Peter Herbert Edward Herbert Michael Herbert John Herbert, 8th Earl of Powis Lady Lorraine Jones Lady Nicola Buxton Siblings John de Grey, 9th Baron Walsingham Margaret Isolda de Grey Lavender de Grey Partners George Herbert, 7th Earl of Powis