Robert Alan Gee, 44, and 36-year-old Kristie Lee Willmot are accused of killing her newborn son Michael Willmot on June 14, 2021.
The couple did not appear in court with the matters adjourned as police continue to compile a brief of evidence.
The baby was found unresponsive after paramedics were called to the park at Daisy Hill, south of Brisbane.
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He had suffered significant internal injuries and later died in hospital.
Gee and Willmot’s charges were mentioned briefly in Beenleigh Magistrates Court on Wednesday.
The couple remain in custody with Gee’s case adjourned until March 29 for committal mention, and Willmot will return to court on April 26.
