Jonathan is a member of the Fairstone family.
The reason that Jonathan moved to Moonlight Falls was that back in his home city people had a problem with witches and gypsy's. Not much else is know about Jonathan's early life, as he and Mathilda arrived to Moonlight Falls as young adults.
When Jonathan and Mathilda came to Moonlight Falls, Jonathan decided that he would live of his art. He was very good at painting and he made money... But when Mathilda gave birth to Michael. He decided that he needed a real job, so he got a job in the Politics career. On they're wedding night they did woohoo and Mathilda became pregnant and gave birth to Edith. The day his wife became an Adult he was promoted to City Council Member.
After Jonathan became an Adult, Michael became a Teen and Robert was born. After that he and Mathilda had a 4th child named Anna. Later he became Mayor of Moonlight Falls. A couple of days before he became an Elder, his grandson Archer was born.