Pierre Chng Yuheng
He faces three charges in all - two for criminal intimidation and one for using criminal force on a public servant.
The National Serviceman, 19, is accused of threatening to ruin his landlady, Madam Khoo Kim Cheng, her child, and her grandchildren at a Paya Lebar Crescent house on May 2, last year.
He is also accused of threatening to injure Madam Khoo by pointing a 1m-long tree branch at her 20 days later.
On June 6 last year, Chng allegedly swung his arms at Police Corporal Eric Tan Bing Xiang, causing his glasses to fall off.
Carmen Chng Jiawen
The 17-year-old faces four charges in all - one count each for using abusive words on public servants, obstructing a policeman from carrying out his duties, voluntarily causing hurt to a police officer and mischief.
At around 3.15pm on June 6 last year, Carmen allegedly prevented Staff Sergeant (Staff Sgt) Chris Tan Zhi Yong from putting Chng, her elder brother, in handcuffs by pulling the policeman's lower arm.
About 1½ hours later, she allegedly used vulgar language on three other police officers, Corporal Tan, Sgt Sritharchana R. Jayaprakas and Assistant Superintendant Deng Qiyuan.
Carmen is also accused of kicking Sgt Sritharchana on her knees and stomach at around 5pm that day, causing bruises on both her knees and tenderness around her right lower ribs.
At 5.15pm, she allegedly kicked the right rear passenger window of a police car, causing the internal PVC cover of the right rear door to crack. According to court papers, the damage amounted to $100.
Her pre-trial conference will be held on Aug 18.