| Montagu Bertie * of Lindsey * Willoughby de Eresby | Martha Cockain | ||
| Robert Bertie * of Lindsey * Willoughby de Eresby | Mary Massingberd | ||
| Robert 4th Earl, 17th Lord (Baron), 1st Duke Bertie * of Lindsey * Willoughby de Eresby * of Ancaster and Kesteven*30.10.1660, +26.7.1723/29.7.1745 |