Kieran Humphreys, 32, of Houghton Regis, was charged with one count of the murder of a child, one count of child cruelty and one count of conspiring to pervert the course of justice.
Sharon Humphreys, 58, of 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 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 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.
