  thumb|200px|charles watson-wentworth, 2nd marquess of rockingham. marquess of rockingham, in the county of northampton, was a title in the peerage of great britain. it was created in 1746 for thomas watson-wentworth, 1st earl of malton. the watson family descended from lewis watson, member of parliament for lincoln. he was created a baronet, of rockingham castle in the county of northampton, in the baronetage of england in 1621.george edward cokayne complete baronetage vol 1 1900 in 1645 he was further honoured when he was raised to the peerage of england as baron rockingham. the third baron served as lord-lieutenant of kent. in 1714 he was created baron throwley, viscount sondes and earl of rockingham in the peerage of great britain. his eldest son edward watson, viscount sondes, predeceased him and he was succeeded by his grandson, the second earl (the eldest son of lord sondes). the second earl was lord-lieutenant of kent before his early death in 1745. he was childless and was succeeded by his younger brother, thomas. he had previously represented canterbury in parliament. he died already in 1746 when the barony of throwley, viscountcy and earldom became extinct. he was succeeded in the baronetcy and barony of rockingham by his first cousin once removed, thomas watson-wentworth, 1st earl of malton, who became the sixth baron. he was the son of the honourable thomas watson-wentworth, third son of the second baron. he had adopted the additional surname wentworth when he inherited the estate of his maternal uncle, william wentworth, 2nd earl of strafford, in 1695. in 1728 he was raised to the peerage of great britain as baron malton. in 1733 he was made baron harrowden, baron wath, viscount higham and earl of malton in the peerage of great britain. in april 1746, two months after succeeding in the barony of rockingham, he was created marquess of rockingham, in the county of northampton, in the peerage of great britain. he was succeeded by his second but only su
Extinct_marquessates_in_the_Peerage_of_Great_Britain Marquessates_in_the_Peerage_of_Great_Britain