There is a possibility he was from Crete. I found this link about an old family of Crete with the name Bougioukalos-Μπουγιούκαλος/Vougioukalos-Βουγιούκαλος/Vougioukalakis-Βουγιουκαλάκης
http://www.e-sfakia.gr/index.php?option=com_content&view... Markakis is also found in Crete. Hope this helps :-)