Royal Oak, Frindsbury unclear, but one reported theory is that it was named after the 17th-century warship HMS "Royal Oak", which was sunk at the nearby Raid on the Medway in 1664. Local people say that one of the beams in the pub comes from the ship, the remains of which may have been broken up at a nearby shipyard after the battle. Another theory is that it was named after the Royal Oak that Charles II of England hid in following the Battle of Worcester. In the late 18th or early 19th century it was given a Flemish Bond brick face and
Royal Oak three hundred year-old descendant of the original and is thus known as 'Son of Royal Oak'. In 2000, Son of Royal Oak was badly injured during a violent storm and lost many branches. In September 2010, it was found to have developed large and dangerous cracks. Since 2011 the tree has been surrounded by a outer perimeter fence to ensure the safety of visitors. Three third generation descendants of the Royal Oak have been ceremonially planted nearby: Saplings, certified as grown from the Son's acorns, are available from the English Heritage shop at Boscobel House. In commemoration of the tree's