Background
Karunakaran was born on 5 July 1918 at Chirackkal in Kannur District to Thekkedathu Ramunni Marar and Kannoth Kalyani Amma with birth star “Karthika". His father Ramunni Marar was a 'sirastadar', a government job under the then British Malabar state government. He had two elder brothers (Kunjiraman Marar and Balakrishnan Marar) and a younger brother (Damodaran Marar aka Appunni Marar). Their only sister Devaki died when she was merely 5 years old.