Simplify the following text for a Grade 12 native English-speaking person.
Original: It was a royal residence for a short time only , when Frederick , Prince of Wales , father of King George III of the United Kingdom , lived there 1737-1741 , after his marriage in 1736 to Princess Augusta of Saxe-Gotha , daughter of Frederick II , Duke of Saxe-Gotha .
Simplified: It was a royal residence for a short time only , when Frederick , Prince of Wales , father of King George III , lived there 1737-1741 , after his marriage in 1736 to Princess Augusta of Saxe-Gotha , daughter of Frederick II , Duke of Saxe-Gotha .