"PERCY, HENRY ALGERNON fifth Earl of Northumberland (1478-1527) ... married Lady Catherine (d. 1542), daughter of Sir Robert Spencer, by Eleanor, countess of Wiltshire, and by her had three sons — Henry Algernon, who became sixth earl ..., Sir Thomas Percy, and Sir Ingelram Percy — and two daughters: Margaret, who married Henry, lord Clifford, first earl of Cumberland, and Maud, who married William, lord Conyers."
