[3] Leveson matriculated at Queen's College, Oxford, on 10 January 1576, and studied for a time at Gray's Inn.
[2] According to Wisker, Leveson was an efficient estate manager and 'an excellent public servant'.
He was a close associate in Kent of William Brooke, 10th Baron Cobham, and eventually one of the executors of his will.
He was also a captain in Peregrine Bertie, 13th Baron Willoughby de Eresby's 1589 expedition to France.
[2] While riding to his house at the Blackfriars, London, on 8 February 1601 Leveson inadvertently became instrumental in suppressing the rebellion of Robert Devereux, 2nd Earl of Essex, taking command of a force on Ludgate Hill and placing a barrier across the street.