An application for bail by the son of Christchurch's infamous "Black Widow" murderer who is facing charges of dangerous driving causing death has been delayed until Friday.

Adam Kearns, 24, is accused of having drugs in his system when friend Nicholas Brent Morrison, 24, died in a crash with two parked cars on Wairakei Rd in Christchurch at about 7.45pm on December 9 last year.

Kearns faces charges of causing death while driving with drugs in his blood, dangerous driving causing death and dangerous driving causing injury to a 25-year-old female passenger.

The son of convicted murderer Helen Milner, dubbed the Black Widow, who was sentenced to life in prison for murdering her husband, Philip Nisbet, in 2009 by poisoning him with the allergy drug Phenergan, appeared from custody today at Christchurch District Court.

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A bail application was not made this afternoon by defence counsel Kiran Paima.

Instead, Judge Tony Couch remanded Kearns in custody until Friday (April 1) where he will likely make an application for bail via audio visual link appearance from prison at 10.30am.