The sister of a man who killed former Wollongong lord mayor Frank Arkell in 1998 has been charged with stabbing her boyfriend.
Belinda Van Krevel was arrested and charged with wounding a person with intent to cause grievous bodily harm.
Her brother Mark Valera was convicted of murdering Mr Arkell and shopkeeper David O’Hearn in 1998.
At 21 years old, he was the youngest person in NSW at the time to the sentenced to life imprisonment.
Police say a 40-year-old man turned up at St George Hospital last Wednesday with stab wounds to his body.
They raided a Rockdale home on Thursday, where they allegedly found pool of blood.
Thirty-two-year-old Van Krevel was arrested and charged.
She is due to appear in Sutherland Local Court on Friday.