1984 Maelstrom by Alexander Scott.
Europe in 16/17th Century but with a example set in St. Albans/London, England.
2013 Maelstrom Domesday by Graham Bottley
England in 1086, twenty years after the Norman conquest
Maelstrom uses Life Path techniques to build your character who is an everyday sort of person, from peasants to herbalists through to knights and men-at-arms.
Maelstrom became famous for its use of, and massive detail about, Herbs.