1) dual passports are not allowed after 21 y.o. Once detected ICA will move to deprive citizenship.I know of one high profile sinkie coupled who divorced, non of their 4 chewren are citizens of this land. Both boys siam NS; girls not affected. Father had duo passports, mother not sure
2)Both boys siam NS if they are exPR has serious consequences. They will not be able to work in sg for the rest of their lives.
