George III of the United Kingdom

George III was King of Great Britain and Ireland fromOctober 1760 until the union of the two countries onJanuary 1801, after which he was King of the United Kingdom of Great Britain and Ireland until his death. He was concurrently Duke and princeelector of BrunswickLneburg in the Holy Roman Empire until his promotion to King of Hanover onOctober 1814. He was the third British monarch of the House of Hanover, but unlike his two predecessors he was born in Britain, spoke English as his first language, and never visited Hanover.

George was born in London at Norfolk House. He was the grandson of King George II, and the eldest son of Frederick, Prince of Wales, and Augusta of SaxeGotha. As Prince George was born two months premature and was thought unlikely to survive, he was baptised the same day by Thomas Secker, who was both Rector of St Jamess and the Bishop of Oxford.

Source: Wikipedia