Rinehart kids on list

GINA Rinehart’s four children have joined their mining mogul mum among the world’s richest people.

Forbe’s latest world billionaire rankings shows John Hancock, Bianca Rinehart, Ginia Rinehart and Hope Welker have estimated fortunes of $US1.3 billion each thanks to money flowing from a family trust fund which owns 23.45 per cent of their mother’s mining company, Hancock Prospecting. Mrs Rinehart retained her rank of 69 on the list with her $US17.4 billion fortune.