...the good of mankind. He instructed his officers engaged in war against them to take no prisoners, but to put to death all that should fall into their hands. Sir Jeffrey was made governor of the island of Guernsey in 1771; created a baron in 1776; was commander-in-chief of the forces from 1778 to 1795; and became field-marshal in July, 1796. He died Aug. 3, 1797.