 Complete the following phrase:  Later, Royal served as a privateer aboard the Franklin, one of several small ships disrupting British supply lines during the continuing Siege of Boston. This was a dangerous and sometimes lucrative posting, and Royal once drew 30 as his share of prize money after a voyage. Marines from the Marblehead Regiment, many of them also black, were attached to this vessel. Royal may have joined the Marblehead mariners at the 