KUALA LUMPUR (Sept 3): Former prime minister Datuk Seri Najib Razak, his wife Datin Seri Rosmah Mansor and their two children, Umno, and Lebanese jeweller Global Royalty Trading SAL had today indicated to the High Court that they will stake their claims in the RM680 million 1Malaysia Development Bhd forfeiture suit against OBYU Holdings Sdn Bhd.