version is the Sekkizhar's Periya Puranam, the last book of the Tirumurai. There, under Thiruninrasargam and in 428 verses, Sekkizhar presents the legendary life of Appar.

Appar was born in late 6th-century, likely between 570 and 596 CE. Some scholars place him a bit later, in early 7th-century. Appar was born in Vellalar caste by birth. His childhood name was Marunikkiyar (Marulneekiar). Orphaned, he was raised by his older sister Thilagavathiar. Thilagavathiar was betrothed to a military commander