Janet Henderson 1808 1842

According to the official report of Captain Worth and documents in the New Zealand archives, Janet died on 4th November 1842, one hour after the ship "New Zealand" arrived in Nelson Harbour. The cause of death being given as diarrhoea.
Passenger list:
Henderson David 35 Flax and Hemp Dresser
Janet 34
Male 13
Male 8
Male 6
Male 3 (Robert) My great grandfather

I am wanting to know if there is anyone out there that can give me any information about Janet Henderson. I have not been able to find out where she is buried. Somebody, somebody must know something. Janet was my great great grandmother.
Thanks in advance...