An iwi leader says an example needs to be make out of the Maori King's son.

Crown law is appealing a judge's decision to discharge the Maori King's son without conviction for theft and drink driving.

Korotangi Paki's defence argued a conviction would hamper his charges of succeeding the throne.

Nga Puhi kaumatua David Rankin told Mike Hosking most young Maori who end up in trouble like this have come from disparate backgrounds, but Korotangi Paki has had everything.

"If your Daddy's rich, then life's a lot easier - you can afford a top QC.

"But if your Daddy's poor, you get the duty solicitor who doesn't really care."