His grand-marshalship harkens to his carefree youth, growing up in Middletown and attending St. Andrew's School.
From the delawareonline.com
Richard allowed Marshal to succeed his brother in the hereditary marshalship, and his paternal honour of Hamstead Marshall.
From the en.wikipedia.org
In addition to a vast accession to their lands, the earldom of Nottingham and the marshalship of England were bestowed on them by Richard II, and the dukedom of Norfolk followed.