He was born in 1410 and became the third Muslim ruler in Panay at the age of 16. Kalantiaw is thought by many to belong to a long genealogy of Muslim rulers but it is clearly evident in his own Code that he was not even a Muslim.
Inaakala ng maraming tao na si Kalantiaw ay isang pinag-apuhan ng maraming salinlahi ng mga pinunong Muslim ngunit, makikita sa kaniyang Kodigo na siya ay hindi isang Muslim.