The auctioneers Forum Auctions are offering for sale the 1784 Grant of Arms to Benjamin Vaughan, Captain in the Royal Artillery and licence to use the surname Marlow. Starting bid £500.
.. the petition of Benjamin Marlow of Shirley in the parish of Milbrook in the County Southampton Esquire Rear Admiral of the White Squadron to give and grant unto Benjamin Vaughan Esquire a Captain in the Royal Artillery only surviving child of Nereas Vaughan of Gosport in the said County of Southampton Gent. by Hannah his wife daughter of William Morse of Gosport aforesaid Gent and sister of Anne wife of the said Admiral Marlow his Royal Licence and Authority that he and his heirs may take and use the surname Marlow and also bear the Arms of Marlow only..

London Gazette June 1784

Entries from Grantees of Arms
Arms: Quarterly Sable and Gules an orle of martlets Or.
Crest: Out of a naval crown gold a dexter arm embowed habited in the uniform of an Admiral of the Royal Navy in the hand a battle axe erect Sable.
Motto: Deus Adjutorium Meum
Dated: 10th June 1784
Garter: Sir Isaac Heard
Clarenceux: Thomas Lock