Lusignan Holy Roman Emperors

The Lusignan ("from Lusignan" were a royal house that ruled Holy Roman Empire in the 13th and early 14th centuries; its monarchs were Conrad III, Conrad IV, Albert I, Charles IV and Sigismund. For 58 years from 1254 to 1312 and again for 91 from 1346 to 1437 with the total of one-hundred forty-nine years which known as Lusignan Empire.