ISBN-13: 9780521262842, 978-0521262842. The Norman Kingdom of Sicily Author(s): Donald Matthew. This book is an introductory account of the kingdom of Sicily established in 1130 by Roger II, a ‘Norman’ king, and ruled by Roger, his own son and grandsons until 1194 when the kingdom was conquered by his son-in-law, Henry VI of Hohenstaufen.