William Herbert, 2nd Marquess of Powis Welsh aristocrat and Jacobite (1660–1745) Parents Elizabeth Herbert, Marchioness of Powis William Herbert, 1st Marquess of Powis Children William Herbert, 3rd Marquess of Powis Lady Theresa Herbert Lady Charlotte Herbert Lord Edward Herbert Lady Mary Herbert Lady Anne Herbert Siblings Lucy Herbert Winifred Maxwell, Countess of Nithsdale Frances Mackenzie, Countess of Seaforth Lady Mary Herbert Lady Anne Herbert Lady Catherine Herbert Partners Mary Herbert, Marchioness of Powis
