At about the same time, according to some modern scholars, he may have led the abortive Greek resistance to the Crusaders in the Peloponnese, which was crushed at the Battle of the Olive Grove of Kountouras; according to other views, he may have led a campaign there between 1207 and 1209.
Pada waktu yang hampir bersamaan, menurut beberapa sarjana modern, ia mungkin telah memimpin perlawanan Yunani yang gagal kepada Tentara Salib di Peloponnesos, yang dihancurkan di Pertempuran Hutan Zaitun di Kountouras; menurut pandangan lain, ia mungkin telah memimpin kampanye di sana antara 1207 dan 1209.