He was born in Sydney to journeyman printer Jabez King Heydon and Sophia née Hayes, and his godfather was Archbishop Polding.
In 1860 he started working for the Commercial Banking Company of Sydney, becoming a branch manager until he resigned to study for the bar.
[4] His practice as a barrister included prosecuting Peter Howe, a member of the Legislative Assembly, who was convicted with James Miller of conspiracy to defraud the Australian Mercantile Loan and Guarantee Company.
[1] Charles was appointed Attorney General in the third Dibbs ministry in December 1893, joining Louis in the Legislative Council.
[12] He resigned from the Legislative Council on 22 March 1898, having been appointed as an acting judge of Supreme Court,[13] but was re-appointed on 10 May once those duties had concluded.