Family intrigue over same-sex marriage in Australia.

TONY Abbott’s sister has denied the same-sex marriage debate has split the Abbott family despite an ugly spat between the siblings over her first marriage.

Sydney Councillor and marriage equality advocate Christine Forster yesterday accused her brother of scoring a cheap political point when he used a radio interview to reveal that she had privately “joked years ago that she’d just got herself out of one marriage — why would she be rushing into another one?”.