Sharon Humphreys, 58, of Bromley Gardens, Houghton Regis, was charged with one count of child cruelty and one count of conspiring to pervert the course of justice.
Sam Wyatt, 33, of Dolphin Drive, Houghton Regis, was charged with one count of child cruelty and one count of conspiring to pervert the course of justice.
Karen Smith, 39, of Dolphin Drive, Houghton Regis, was charged with one count of conspiring to pervert the course of justice.
Police were called to reports of concern for the welfare of a baby at an address in Houghton Regis, Bedfordshire, at just before 5.30pm on February 9 2024.
The child, Archie Woodbridge, was taken to hospital where he died shortly after.
