The Medieval Series is listed in chronological order, so if you want to read them that way, you can. If you don’t want to, you don’t have to.
The Holding features William and Cathryn and takes place in the winter of 1155; Henry II has just taken the throne of England. Rowland (The Willing Wife) and Ulrich (The Fall) are introduced as secondary characters. Rowland is William’s best friend and a widower, Ulrich is William’s young squire.
The Marriage Bed, which has been reissued, features Richard and Isabel in the spring of 1155. William (The Holding), Rowland (The Willing Wife), and Ulrich(The Fall) make appearances as secondary characters and Elsbeth (The Temptation) is introduced as a secondary character.
The Willing Wife is Rowland’s story and takes place in the autumn of 1155. Nicolaa, a new character, is his heroine. Both Rowland and Nicolaa have been previously married. William (The Holding), Cathryn (The Holding), and Ulrich (The Fall) all make appearances in this story.
The Temptation takes place in 1158 and features Elsbeth from The Marriage Bed with a new character, Hugh of Jerusalem.
The Fall takes place in 1165 and Ulrich is now a grown man in need of a wife and the lands she can give him. Her name is Juliane. William (The Holding) makes a brief appearance in this book.