The man (name withheld) is 46 years old and married with four children and two grandchildren.
He was arrested, charged and detained on May 29 for allegedly sexually touching the girl at their family home at June Valley.
It is alleged the man on May 28 sexually touched the biological daughter of his brother, a 10 year old girl while pretending to get the girl to recite her mathematics times tables after school.
The accused appeared in court for the first time with his lawyer with a verbal bail application that was later granted by Magistrate Cosmos Bidar.