JK Rowling

She is a British writer, who is married to Neil, her second husband with 2 child: Jessica and Mackenzie. She had a previous marriage that did not last though. Her parents got married at 19 and had her a year later. She is the oldest of two children, she has a sister named Di. Her mother died of multiple sclerosis. She had a rough life when her mother died. It took her agent a year to find a publisher, but when he did. Well you pretty much know what happened after that.

You can read more about her at her Official Website:

J.K Rowling Official Site -Harry Potter and More
Pottermore – HP Book Site