Octavia Grosvenor noblewoman; c.1829-1921 (1829–1921) Parents Elizabeth Leveson-Gower Richard Grosvenor, 2nd Marquess of Westminster Children Evelyn Margaret Shaw-Stewart Eliza Mary Shaw-Stewart Walter Shaw-Stewart Charles Robert Shaw-Stewart Agnes Caroline Shaw-Stewart Sir Hugh Shaw-Stewart, 8th Baronet Helen Shaw-Stewart Archibald William Shaw-Stewart Houston Michael Shaw-Stewart Siblings Hugh Grosvenor, 1st Duke of Westminster Richard Grosvenor, 1st Baron Stalbridge Eleanor Percy, Duchess of Northumberland unknown son Grosvenor unknown daughter Grosvenor Theodora Guest Mary Grosvenor Caroline Grosvenor Agnes Grosvenor Jane Grosvenor Elizabeth Lawley Lord Gilbert Grosvenor Partners Sir Michael Shaw-Stewart, 7th Baronet