His widow Salamah Ahmad and parents Jamuan Ajuan and Kamsiah Indaman were present along with Sabah Deputy Police Commissioner Datuk Abdul Malek Harun.
Kpl Abdul Rajah, 32, was killed when eight gunmen attacked a Marine Police team at the Mabul Water Bungalows Resort late Saturday.
Police Kons Zakiah Aleip who was kidnapped by Filipino gunmen, has telephoned his wife Sunday night to say he was alive.
“He called his wife (Sharifah Erna Berson) last night saying that he is ok except that he is with some people,” Inspector-General of Police Tan Sri Khalid Abu Bakar told reporters.
When asked where Zakiah could be held, Khalid said that they were not sure and that they were waiting for further calls.
He also said the police roughly knew the identity of some of those involved in the attack on Pulau Mabul on Saturday night.
Rajah was buried Monday with full honours.
Eight Filipino masked gunmen were involved in the attack, and they fled to southern Philippines