Humphrey Gilbert, English explorer and politician (b. 1539)
Sir Humphrey Gilbert (c. 1539 – 9 September 1583) was an English adventurer, explorer, member of parliament and soldier who served during the reign of Queen Elizabeth I and was a pioneer of the English colonial empire in North America and the Plantations of Ireland. He was a maternal half-brother of Sir Walter Raleigh and a cousin of Sir Richard Grenville.