Matthew Montagu, 4th Baron Rokeby British politician and Baron (1762–1831) Parents Jane Greenland Morris Robinson Children Edward Montagu, 5th Baron Rokeby Spencer Montagu Elizabeth Montagu Eleanor Montagu Mary Montagu Emily Montagu Jane Montagu John Montagu Caroline Montagu Catherine Montagu Henry Montagu, 6th Baron Rokeby Siblings Morris Robinson, 3rd Baron Rokeby Partners Elizabeth Charlton